{"id":71463,"date":"2026-08-10T14:24:37","date_gmt":"2026-08-10T06:24:37","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/?p=71463"},"modified":"2026-08-11T14:24:56","modified_gmt":"2026-08-11T06:24:56","slug":"chinas-space-computing-race-competing-for-the-next-decades-ai-compute-power","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/chinas-space-computing-race-competing-for-the-next-decades-ai-compute-power\/","title":{"rendered":"China’s Space Computing Race: Competing for the Next Decade’s AI Compute Power"},"content":{"rendered":"

AI’s computing needs are outgrowing what Earth can easily supply \u2014 and a new race is emerging to move data centers into orbit.<\/strong> This report breaks down the emerging “space computing” industry from every angle: what it actually is and why energy and bandwidth constraints are pushing computing into space (Sections 1\u20132); the physical advantages orbit offers for power and cooling, and the core hardware that makes an orbital data center work (Sections 3\u20134); the two competing architectures \u2014 satellite constellations versus centralized space-station nodes \u2014 that companies are betting on (Section 5); the hard engineering, economic, and regulatory obstacles still standing in the way, from radiation-hardening to launch costs to space law (Section 6); how the U.S. (SpaceX, Google, Starcloud) and China (the Three-Body Computing Constellation and its gigawatt-scale roadmap) are approaching the race differently (Section 7); and finally, where this technology could matter most \u2014 from military ISR to autonomous satellite networks (Section 8).<\/p>\n

1. What Is Space Computing?<\/h2>\n

Space computing represents a new paradigm in which AI computing infrastructure is extended from Earth-based data centers into orbital space. It refers to modular server nodes deployed on low Earth orbit (LEO) or medium Earth orbit (MEO) satellites, equipped with AI inference and training capabilities<\/strong>.<\/p>\n

As a new form of orbital distributed AI architecture<\/strong>, space computing is not simply about moving terrestrial servers into space. Instead, it requires a fundamental reconstruction and engineering adaptation of the core physical elements of data centers\u2014including energy supply, thermal management, and high-speed data connectivity\u2014under extreme conditions of vacuum, microgravity, and intense radiation.<\/p>\n

Unlike conventional satellites that primarily serve communication or remote sensing functions, space computing platforms are designed to become intelligent computing nodes capable of processing data directly in orbit, transforming satellites from passive data collectors into autonomous information-processing infrastructure.<\/p>\n

2. Why Is Space Computing Becoming Necessary?<\/h2>\n

(1) The Growing Gap Between Energy Demand and Supply<\/h3>\n

With companies including OpenAI, Anthropic, Baidu, Alibaba, and ByteDance continuously launching next-generation large AI models, global demand for computing power is expanding rapidly.<\/p>\n

At the same time, large-scale AI infrastructure initiatives such as \u201cStargate\u201d and \u201cPrometheus,\u201d combined with continuously rising capital expenditures from cloud service providers (CSPs), indicate that the construction of AI computing infrastructure has entered an accelerated expansion cycle.<\/p>\n

This growth is creating enormous additional electricity demand.<\/p>\n

According to power demand projections released by the RAND Corporation, global electricity consumption from AI data centers (AIDC) could reach 327 GW by 2030<\/strong>.<\/p>\n

Behind the explosive growth of AI computing capacity lies a fundamental constraint: energy availability<\/strong>.<\/p>\n

However, outer space provides two unique advantages:<\/p>\n

    \n
  1. Almost unlimited access to solar energy;<\/li>\n
  2. A naturally cold vacuum environment ideal for thermal radiation.<\/li>\n<\/ol>\n

    Deploying energy-intensive computing infrastructure in orbital space could enable nearly zero-carbon energy supply while significantly reducing cooling costs through the use of space\u2019s natural heat sink.<\/p>\n

    This could ultimately create a sustainable computing architecture based on Earth-space collaboration<\/strong>, where terrestrial and orbital infrastructure complement each other.<\/p>\n

    (2) A Space-Time Revolution in Data Transmission Efficiency<\/h3>\n

    The current satellite mission workflow generally follows a traditional chain:<\/p>\n

    Mission scheduling \u2192 Data acquisition \u2192 On-board storage \u2192 Ground transmission \u2192 Ground processing<\/strong><\/p>\n

    However, satellite system performance is constrained by two bottlenecks:<\/p>\n

      \n
    • Limited satellite-to-ground communication bandwidth;<\/li>\n
    • Insufficient density of global ground station networks.<\/li>\n<\/ul>\n

      As a result, the amount of data that can actually be transmitted during each orbital pass is extremely limited, creating a severe imbalance between data generation and data utilization.<\/p>\n

      Space computing introduces a new paradigm: \u201ccompute in space, process in space.\u201d<\/strong><\/p>\n

      Instead of relying on traditional data transportation based on the Von Neumann architecture, orbital computing shifts toward:<\/p>\n

        \n
      • In-memory computing;<\/li>\n
      • Edge AI processing;<\/li>\n
      • On-orbit intelligent interpretation.<\/li>\n<\/ul>\n

        Through on-board AI processing, satellites can perform:<\/p>\n

          \n
        • Feature extraction;<\/li>\n
        • Target detection;<\/li>\n
        • Data compression;<\/li>\n
        • Automated classification.<\/li>\n<\/ul>\n

          This allows raw satellite imagery measured in terabytes to be converted into megabyte-scale feature vectors and alert metadata before transmission.<\/p>\n

          By reducing the amount of data sent to Earth, space computing can dramatically improve communication efficiency while shortening the entire information processing cycle\u2014from delayed responses constrained by orbital windows to near-real-time intelligence generation.<\/p>\n

          This capability could provide transformative advantages in critical areas including:<\/p>\n

            \n
          • National security;<\/li>\n
          • Disaster monitoring;<\/li>\n
          • Emergency response;<\/li>\n
          • Environmental intelligence.<\/li>\n<\/ul>\n

            (3) An Unlimited Global Computing Network<\/h3>\n

            Once thousands or even millions of computing satellites are connected into orbital constellations, humanity could establish a global \u201cspace computing network\u201d independent of terrestrial geographic limitations.<\/p>\n

            Through high-speed inter-satellite laser links, such a network could achieve:<\/p>\n

              \n
            • Global coverage;<\/li>\n
            • Dynamic routing;<\/li>\n
            • Distributed computing;<\/li>\n
            • Autonomous resource allocation.<\/li>\n<\/ul>\n

              Unlike terrestrial infrastructure, orbital computing networks would not be restricted by:<\/p>\n

                \n
              • Oceans;<\/li>\n
              • Polar regions;<\/li>\n
              • Deserts;<\/li>\n
              • Remote areas;<\/li>\n
              • National network boundaries.<\/li>\n<\/ul>\n

                This means future users\u2014including:<\/p>\n

                  \n
                • Ocean vessels;<\/li>\n
                • Remote communities;<\/li>\n
                • Global IoT systems;<\/li>\n
                • Autonomous vehicles\u2014<\/li>\n<\/ul>\n

                  could potentially access computing resources anywhere on Earth.<\/p>\n

                  In this transformation from terrestrial computing infrastructure to orbital infrastructure, the first nations capable of establishing globally distributed and autonomous space computing networks will gain a strategic advantage in the next generation of information infrastructure competition.<\/p>\n

                  3. What Advantages Does Space Computing Offer?<\/h2>\n

                  (1) Energy Advantages<\/h3>\n

                  The fundamental energy advantage of space comes from the significantly stronger solar radiation environment outside Earth\u2019s atmosphere.<\/p>\n

                  At the edge of Earth\u2019s atmosphere, the solar constant is approximately:<\/p>\n

                  1,361 W\/m\u00b2<\/strong><\/p>\n

                  However, terrestrial solar panels receive substantially less energy after atmospheric absorption, cloud coverage, and aerosol scattering.<\/p>\n

                  In orbit, these limitations are largely eliminated.<\/p>\n

                  Certain orbital configurations, such as dawn-dusk sun-synchronous orbits, can provide nearly continuous sunlight exposure, approaching 24\/7 solar availability<\/strong>.<\/p>\n

                  With appropriate orbital selection and engineering design, orbital computing platforms can achieve:<\/p>\n

                    \n
                  • Continuous energy supply;<\/li>\n
                  • Stable power generation;<\/li>\n
                  • High energy density.<\/li>\n<\/ul>\n

                    This fundamentally removes two major constraints faced by terrestrial AI data centers:<\/p>\n

                      \n
                    • Grid capacity limitations;<\/li>\n
                    • Carbon emission restrictions.<\/li>\n<\/ul>\n

                      (2) Thermal Management Advantages<\/h3>\n

                      Compared with terrestrial facilities, space provides unique advantages in thermal management.<\/p>\n

                      Because space is a vacuum environment, heat cannot be removed through conventional convection. Instead, spacecraft rely on thermal radiation systems.<\/p>\n

                      The extremely cold environment of space acts as a natural heat sink, allowing computing platforms to reject heat more efficiently.<\/p>\n

                      This provides several advantages:<\/p>\n

                        \n
                      • Reduced cooling energy consumption;<\/li>\n
                      • No dependence on water resources;<\/li>\n
                      • Lower environmental impact.<\/li>\n<\/ul>\n

                        For example, Meta\u2019s newly built data centers reportedly require peak daily water consumption of approximately 6 million gallons<\/strong>, exceeding the total water usage of some local regions.<\/p>\n

                        By contrast, orbital computing systems require no cooling water.<\/p>\n

                        At a time when water scarcity and environmental regulations are becoming increasingly important constraints on data center development, space-based thermal management could create significant commercial value.<\/p>\n

                        4. Core Components of a Space Computing System<\/h2>\n

                        Unlike terrestrial data centers, orbital data centers deploy computing, storage, and networking infrastructure directly on satellites or orbital platforms. These systems use solar energy as their primary power source and rely on radiation-based thermal management systems operating in the vacuum environment of space.<\/p>\n

                        The core architecture consists of five major subsystems:<\/p>\n

                          \n
                        • Computing and storage modules;<\/li>\n
                        • Liquid cooling and thermal management systems;<\/li>\n
                        • Network switching equipment;<\/li>\n
                        • Power management systems;<\/li>\n
                        • High-speed inter-satellite communication links.<\/li>\n<\/ul>\n

                          Through high-speed space-based networks, multiple satellite nodes can exchange data and dynamically allocate computing tasks.<\/p>\n

                          At the same time, communication systems connecting satellites with ground stations enable a hybrid operational model:<\/p>\n

                          \u201cCompute in orbit + transmit only necessary results to Earth.\u201d<\/strong><\/p>\n

                          This approach avoids the traditional requirement of transmitting massive amounts of raw data back to ground infrastructure.<\/p>\n

                          (1) Space Platforms: The \u201cData Center Buildings\u201d in Orbit<\/h3>\n

                          Satellites serve as the physical platforms of orbital data centers, equivalent to the buildings housing terrestrial computing facilities.<\/p>\n

                          Current deployment approaches mainly rely on:<\/p>\n

                            \n
                          • Low Earth orbit satellites;<\/li>\n
                          • Space station platforms.<\/li>\n<\/ul>\n

                            Among these, LEO satellites are currently the primary platform for space computing deployment.<\/p>\n

                            Unlike conventional communication or Earth observation satellites, computing satellites require a fundamental redesign of their architecture.<\/p>\n

                            Beyond traditional satellite functions such as:<\/p>\n

                              \n
                            • Power generation;<\/li>\n
                            • Communications;<\/li>\n
                            • Structural support;<\/li>\n<\/ul>\n

                              they must also carry advanced computing infrastructure, including:<\/p>\n

                                \n
                              • Spaceborne AI computers;<\/li>\n
                              • High-throughput satellite routers;<\/li>\n
                              • Distributed orbital operating systems.<\/li>\n<\/ul>\n

                                Space stations represent another important orbital computing platform.<\/p>\n

                                Compared with satellites, space stations provide:<\/p>\n

                                  \n
                                • Larger internal volume;<\/li>\n
                                • Greater power availability;<\/li>\n
                                • More advanced thermal control capabilities.<\/li>\n<\/ul>\n

                                  These advantages allow them to support higher-power and more complex computing equipment.<\/p>\n

                                  For example, Voyager\u2019s LEOcloud Space Edge<\/strong> miniature data center has already been transported aboard a SpaceX launch vehicle to the International Space Station for in-orbit validation.<\/p>\n

                                  (2) Computing Modules: The Core Processing Engine<\/h3>\n

                                  The computing module is the central processing component of a space computing system.<\/p>\n

                                  Its role is comparable to a server cluster inside a terrestrial data center, performing critical tasks such as:<\/p>\n

                                    \n
                                  • On-orbit data fusion;<\/li>\n
                                  • Feature extraction;<\/li>\n
                                  • AI inference;<\/li>\n
                                  • Autonomous decision-making.<\/li>\n<\/ul>\n

                                    These modules mainly consist of space-qualified server clusters integrating:<\/p>\n

                                      \n
                                    • Radiation-hardened CPUs;<\/li>\n
                                    • GPUs;<\/li>\n
                                    • Dedicated AI accelerator chips.<\/li>\n<\/ul>\n

                                      However, orbital computing systems face strict limitations in:<\/p>\n

                                        \n
                                      • Mass;<\/li>\n
                                      • Volume;<\/li>\n
                                      • Power consumption.<\/li>\n<\/ul>\n

                                        Therefore, computing modules must achieve:<\/p>\n

                                          \n
                                        • Extremely high computing density;<\/li>\n
                                        • Low energy consumption;<\/li>\n
                                        • Long-term reliability.<\/li>\n<\/ul>\n

                                          Typical designs include:<\/p>\n

                                            \n
                                          • Multi-chip integrated architectures;<\/li>\n
                                          • Compact rack-style computing units.<\/li>\n<\/ul>\n

                                            These systems must operate reliably without human maintenance for 5 to 15 years<\/strong>, while continuously supporting demanding orbital missions.<\/p>\n

                                            (3) Communication Links: The \u201cNervous System\u201d of Space Computing<\/h3>\n

                                            Communication infrastructure functions as the nervous system of orbital computing networks.<\/p>\n

                                            It performs four essential tasks:<\/p>\n

                                              \n
                                            • Data input;<\/li>\n
                                            • Command distribution;<\/li>\n
                                            • Inter-satellite networking;<\/li>\n
                                            • Result transmission.<\/li>\n<\/ul>\n

                                              The communication architecture consists mainly of two categories:<\/p>\n

                                                \n
                                              1. Ground-to-space communication links;<\/li>\n
                                              2. Inter-satellite links.<\/li>\n<\/ol>\n

                                                Ground-Space Links<\/h4>\n

                                                Ground-space links provide the direct communication interface between orbital computing systems and terrestrial infrastructure.<\/p>\n

                                                The uplink channel is responsible for transmitting:<\/p>\n

                                                  \n
                                                • Mission commands;<\/li>\n
                                                • Task parameters;<\/li>\n
                                                • AI model updates;<\/li>\n
                                                • Software upgrades.<\/li>\n<\/ul>\n

                                                  For example, AI models running onboard satellites could be updated remotely through these channels.<\/p>\n

                                                  The downlink channel transmits:<\/p>\n

                                                    \n
                                                  • Processed computing results;<\/li>\n
                                                  • Intelligence products;<\/li>\n
                                                  • Satellite telemetry data.<\/li>\n<\/ul>\n

                                                    One of the most important benefits of orbital computing is that it dramatically reduces downlink data volume.<\/p>\n

                                                    Instead of transmitting:<\/p>\n

                                                    Terabytes of raw satellite imagery<\/strong><\/p>\n

                                                    the system can send:<\/p>\n

                                                    Megabyte-scale feature vectors and intelligence metadata.<\/strong><\/p>\n

                                                    This allows limited satellite-ground communication windows to be used far more efficiently.<\/p>\n

                                                    Inter-Satellite Links<\/h4>\n

                                                    Inter-satellite links are the foundation of large-scale orbital computing networks.<\/p>\n

                                                    Through high-speed optical laser communication, satellites can directly exchange information without relying on terrestrial networks.<\/p>\n

                                                    Their importance extends beyond simple connectivity.<\/p>\n

                                                    They enable the creation of an independent orbital computing backbone:<\/p>\n

                                                      \n
                                                    • Distributed computing nodes can be aggregated;<\/li>\n
                                                    • Computing tasks can be dynamically allocated;<\/li>\n
                                                    • Data can be routed autonomously across the constellation.<\/li>\n<\/ul>\n

                                                      In this sense, inter-satellite links transform individual satellites into a unified distributed computing cluster in space.<\/p>\n

                                                      (4) Energy Systems: Providing Continuous Power<\/h3>\n

                                                      The energy subsystem provides stable and reliable electricity for:<\/p>\n

                                                        \n
                                                      • Computing payloads;<\/li>\n
                                                      • Communication systems;<\/li>\n
                                                      • Attitude control systems;<\/li>\n
                                                      • Thermal management systems.<\/li>\n<\/ul>\n

                                                        It mainly consists of three components:<\/p>\n

                                                          \n
                                                        1. Solar arrays;<\/li>\n
                                                        2. Power control units;<\/li>\n
                                                        3. Energy storage batteries.<\/li>\n<\/ol>\n

                                                          In certain orbital configurations, such as dawn-dusk sun-synchronous orbits, satellites can receive sunlight almost continuously.<\/p>\n

                                                          Because there is no atmospheric attenuation, solar energy utilization efficiency can theoretically exceed terrestrial systems by several times.<\/p>\n

                                                          The power controller manages:<\/p>\n

                                                            \n
                                                          • Energy conversion;<\/li>\n
                                                          • Distribution;<\/li>\n
                                                          • Load balancing.<\/li>\n<\/ul>\n

                                                            Meanwhile, batteries provide uninterrupted power when satellites pass through Earth\u2019s shadow.<\/p>\n

                                                            (5) Thermal Management Systems<\/h3>\n

                                                            Space is a vacuum environment, meaning traditional convection cooling is impossible.<\/p>\n

                                                            Therefore, orbital computing systems must rely on:<\/p>\n

                                                              \n
                                                            • Heat pipes;<\/li>\n
                                                            • Fluid circulation loops;<\/li>\n
                                                            • Radiative cooling panels.<\/li>\n<\/ul>\n

                                                              The thermal process is:<\/p>\n

                                                              Chip heat generation \u2192 Heat pipe conduction \u2192 Radiator panels \u2192 Infrared radiation into deep space<\/strong><\/p>\n

                                                              Cooling efficiency is directly related to radiator surface area.<\/p>\n

                                                              This is why many satellites feature large \u201cwing-like\u201d radiator structures.<\/p>\n

                                                              For high-power computing loads such as GPUs, passive heat pipes alone are usually insufficient.<\/p>\n

                                                              Using only heat pipes would require excessive numbers of thermal components, increasing:<\/p>\n

                                                                \n
                                                              • Satellite mass;<\/li>\n
                                                              • Launch cost;<\/li>\n
                                                              • Structural complexity.<\/li>\n<\/ul>\n

                                                                Therefore, high-performance orbital data centers will likely require active liquid cooling loops similar to terrestrial AI servers.<\/p>\n

                                                                5. Technical Development Paths for Space Computing<\/h2>\n

                                                                The deployment of orbital computing nodes currently follows two major technical approaches:<\/p>\n

                                                                  \n
                                                                1. Dedicated computing satellite constellations;<\/li>\n
                                                                2. Computing modules installed on large satellites or space stations.<\/li>\n<\/ol>\n

                                                                  These two approaches represent different philosophies in architecture, service models, and engineering strategies.<\/p>\n

                                                                  Together, they form the two primary development paths for future space-based computing infrastructure.<\/p>\n

                                                                  (1) Dedicated Computing Satellite Constellations: Distributed Orbital Computing Clusters<\/h3>\n

                                                                  Dedicated computing satellite constellations represent the mainstream development direction for space computing.<\/p>\n

                                                                  The basic concept is to deploy multiple small satellites that cooperate in orbit, forming a distributed \u201corbital data center.\u201d<\/p>\n

                                                                  The key advantages of this approach include:<\/p>\n

                                                                    \n
                                                                  • Large-scale deployment;<\/li>\n
                                                                  • Global coverage;<\/li>\n
                                                                  • Flexible expansion;<\/li>\n
                                                                  • Distributed computing capability.<\/li>\n<\/ul>\n

                                                                    A representative example is China\u2019s \u201cStar Computing\u201d (\u661f\u7b97) program and the Three-Body Computing Constellation project.<\/strong><\/p>\n

                                                                    The initial constellation consists of 12 computing satellites<\/strong>, launched on May 14, 2025, by a Long March-2D rocket from the Jiuquan Satellite Launch Center.<\/p>\n

                                                                    The satellites use an intelligent networked satellite platform independently developed by ADA Space<\/strong>, carrying:<\/p>\n

                                                                      \n
                                                                    • Spaceborne intelligent computers developed by Zhejiang Lab;<\/li>\n
                                                                    • High-speed satellite routers;<\/li>\n
                                                                    • Orbital AI computing systems.<\/li>\n<\/ul>\n

                                                                      Each satellite integrates:<\/p>\n

                                                                        \n
                                                                      • AI computing capability;<\/li>\n
                                                                      • Inter-satellite communication capability.<\/li>\n<\/ul>\n

                                                                        The first-generation constellation achieved:<\/p>\n

                                                                          \n
                                                                        • Maximum single-satellite computing power: 744 TOPS<\/strong>;<\/li>\n
                                                                        • Total orbital computing capability: 5 POPS<\/strong>;<\/li>\n
                                                                        • Storage capacity: 30 TB<\/strong>.<\/li>\n<\/ul>\n

                                                                          This represents a significant increase compared with traditional satellite computing capabilities.<\/p>\n

                                                                          (2) Large Satellites and Space Stations: Centralized Orbital Data Centers<\/h3>\n

                                                                          Another approach is to install computing modules on large spacecraft platforms or space station modules, creating centralized orbital data center nodes.<\/p>\n

                                                                          This architecture benefits from:<\/p>\n

                                                                            \n
                                                                          • Larger physical space;<\/li>\n
                                                                          • Stronger power supply;<\/li>\n
                                                                          • More sophisticated thermal management.<\/li>\n<\/ul>\n

                                                                            It is better suited for:<\/p>\n

                                                                              \n
                                                                            • High-performance computing;<\/li>\n
                                                                            • AI model training;<\/li>\n
                                                                            • Complex scientific workloads.<\/li>\n<\/ul>\n

                                                                              One of the most representative companies pursuing this direction is Axiom Space<\/strong>.<\/p>\n

                                                                              The company plans to integrate an Orbital Data Center (ODC)<\/strong> module into its commercial space station platform.<\/p>\n

                                                                              In September 2025, Axiom Space and Spacebilt announced a multi-organization collaboration to develop an optical-networked orbital data center infrastructure.<\/p>\n

                                                                              The planned AxODC Node ISS<\/strong> project aims to deploy an optical-connected high-performance computing node on the International Space Station in 2027.<\/p>\n

                                                                              The system is designed to allow:<\/p>\n

                                                                                \n
                                                                              • LEO satellites;<\/li>\n
                                                                              • Spacecraft;<\/li>\n
                                                                              • Astronauts;<\/li>\n
                                                                              • Researchers;<\/li>\n<\/ul>\n

                                                                                to store and process data in orbit while running AI and machine learning workloads.<\/p>\n

                                                                                6. Engineering Challenges Facing Space Computing Deployment<\/h2>\n

                                                                                Although space computing presents a compelling vision for future AI infrastructure, transforming this concept into a large-scale commercial system still requires overcoming significant engineering, economic, and regulatory challenges.<\/p>\n

                                                                                (1) Technical Reliability Challenges<\/h3>\n

                                                                                1. Balancing Radiation Protection and Computing Performance<\/h4>\n

                                                                                The space environment is filled with high-energy particles and cosmic radiation.<\/p>\n

                                                                                Advanced semiconductor technologies are particularly vulnerable to:<\/p>\n

                                                                                  \n
                                                                                • Total ionizing dose effects;<\/li>\n
                                                                                • Single-event effects;<\/li>\n
                                                                                • Logic errors;<\/li>\n
                                                                                • Permanent hardware damage.<\/li>\n<\/ul>\n

                                                                                  Traditional radiation-hardened space processors provide excellent reliability, but their computing performance is several generations behind terrestrial chips and their costs are extremely high.<\/p>\n

                                                                                  As a result, they cannot meet the computational requirements of modern AI inference or large-scale machine learning workloads.<\/p>\n

                                                                                  The current engineering consensus is moving toward the use of commercial off-the-shelf (COTS) chips combined with system-level protection strategies.<\/p>\n

                                                                                  These strategies include two major approaches:<\/p>\n

                                                                                  Hardware-level reinforcement<\/h5>\n

                                                                                  Including:<\/p>\n

                                                                                    \n
                                                                                  • Advanced packaging shielding;<\/li>\n
                                                                                  • Radiation protection materials;<\/li>\n
                                                                                  • Triple Modular Redundancy (TMR) circuit designs;<\/li>\n
                                                                                  • Specialized semiconductor substrates.<\/li>\n<\/ul>\n
                                                                                    System-level fault tolerance<\/h5>\n

                                                                                    Including:<\/p>\n

                                                                                      \n
                                                                                    • In-orbit error correction;<\/li>\n
                                                                                    • Hot backup computing nodes;<\/li>\n
                                                                                    • Rapid failover mechanisms;<\/li>\n
                                                                                    • Software-defined fault-tolerant architectures.<\/li>\n<\/ul>\n

                                                                                      One example is the RISC-V-based PIC64-HPSC<\/strong> high-performance space computing platform.<\/p>\n

                                                                                      However, both strategies significantly increase:<\/p>\n

                                                                                        \n
                                                                                      • System mass;<\/li>\n
                                                                                      • Power consumption;<\/li>\n
                                                                                      • Engineering complexity.<\/li>\n<\/ul>\n

                                                                                        Ultimately, they increase the total cost per unit of orbital computing capacity.<\/p>\n

                                                                                        2. Extremely High Communication Requirements<\/h4>\n

                                                                                        Apart from data naturally generated by onboard sensors, additional computing workloads cannot simply appear in orbit.<\/p>\n

                                                                                        For general AI inference applications:<\/p>\n

                                                                                          \n
                                                                                        • Large volumes of input data must be uploaded efficiently;<\/li>\n
                                                                                        • Processed results must be transmitted back with low latency.<\/li>\n<\/ul>\n

                                                                                          NASA\u2019s TBIRD (TeraByte InfraRed Delivery)<\/strong> mission demonstrated a 200 Gbps-class laser communication link in LEO and successfully transmitted terabyte-scale data during a single satellite pass.<\/p>\n

                                                                                          However, this remains a point-to-point technology demonstration.<\/p>\n

                                                                                          Industrial-scale orbital computing requires:<\/p>\n

                                                                                            \n
                                                                                          • Global coverage;<\/li>\n
                                                                                          • Low-cost operation;<\/li>\n
                                                                                          • High reliability;<\/li>\n
                                                                                          • Autonomous optical mesh networking.<\/li>\n<\/ul>\n

                                                                                            This is one of the biggest strategic advantages of SpaceX.<\/p>\n

                                                                                            The company has already deployed a laser-based backbone network through its Starlink constellation, providing a potential communication foundation for future orbital computing nodes.<\/p>\n

                                                                                            Other competitors will face significantly higher barriers in developing comparable space-based communication infrastructure.<\/p>\n

                                                                                            3. The Scaling Conflict Between Thermal Management and Power Supply<\/h4>\n

                                                                                            The International Space Station provides an important reference point for orbital thermal management.<\/p>\n

                                                                                            Removing approximately 70 kW of heat<\/strong> already requires:<\/p>\n

                                                                                              \n
                                                                                            • Complex ammonia cooling loops;<\/li>\n
                                                                                            • Large radiator panels.<\/li>\n<\/ul>\n

                                                                                              If future orbital data centers aim to reach:<\/p>\n

                                                                                                \n
                                                                                              • Megawatt-scale;<\/li>\n
                                                                                              • Gigawatt-scale;<\/li>\n<\/ul>\n

                                                                                                computing capacity, radiator structures could expand to tens of thousands of square meters.<\/p>\n

                                                                                                This creates a series of unprecedented engineering problems.<\/p>\n

                                                                                                Structural challenges<\/h5>\n

                                                                                                Huge flexible structures face:<\/p>\n

                                                                                                  \n
                                                                                                • Material fatigue;<\/li>\n
                                                                                                • Repeated thermal expansion and contraction;<\/li>\n
                                                                                                • Mechanical stress during attitude adjustments.<\/li>\n<\/ul>\n
                                                                                                  Thermal orientation challenges<\/h5>\n

                                                                                                  Systems must simultaneously:<\/p>\n

                                                                                                    \n
                                                                                                  • Keep solar arrays pointed toward the Sun;<\/li>\n
                                                                                                  • Prevent radiators from absorbing Earth\u2019s infrared radiation;<\/li>\n
                                                                                                  • Maintain orientation toward the cold background of deep space.<\/li>\n<\/ul>\n
                                                                                                    Micrometeoroid protection<\/h5>\n

                                                                                                    Large exposed radiator surfaces are vulnerable to orbital debris and micrometeoroid impacts.<\/p>\n

                                                                                                    Future systems would require:<\/p>\n

                                                                                                      \n
                                                                                                    • Fluid isolation valves;<\/li>\n
                                                                                                    • Redundant cooling loops;<\/li>\n
                                                                                                    • Damage-resistant designs.<\/li>\n<\/ul>\n

                                                                                                      These challenges represent some of the most difficult mechanical engineering problems in space infrastructure history.<\/p>\n

                                                                                                      (2) Economic Feasibility Challenges<\/h3>\n

                                                                                                      Moving space computing from technological demonstration to commercial deployment ultimately depends on whether the economics can work.<\/p>\n

                                                                                                      Current discussions often reference the long-term vision proposed by SpaceX founder Elon Musk.<\/p>\n

                                                                                                      During an investor event with Ron Baron, Musk suggested that \u201csolar-powered AI satellites\u201d could eventually achieve 100 GW of annual solar power generation capacity<\/strong>.<\/p>\n

                                                                                                      Although the statement focused primarily on space solar power, the underlying economic logic\u2014massive launch capacity combined with extremely low transportation costs\u2014is equally relevant to orbital computing.<\/p>\n

                                                                                                      Launch Cost as a Critical Constraint<\/h4>\n

                                                                                                      Assuming SpaceX\u2019s future Starship V3 achieves:<\/p>\n

                                                                                                        \n
                                                                                                      • Stable operations;<\/li>\n
                                                                                                      • 100 USD\/kg launch cost to orbit;<\/li>\n<\/ul>\n

                                                                                                        the construction economics of orbital data centers can be estimated.<\/p>\n

                                                                                                        For example:<\/p>\n

                                                                                                          \n
                                                                                                        • A 50 GW-class orbital data center;<\/li>\n
                                                                                                        • A 1 GW-class orbital data center.<\/li>\n<\/ul>\n

                                                                                                          Even excluding most engineering costs, simply transporting the required infrastructure mass into LEO would already represent approximately 50% of the construction cost of an equivalent terrestrial data center<\/strong>.<\/p>\n

                                                                                                          However, this estimate does not include many additional costs, including:<\/p>\n

                                                                                                            \n
                                                                                                          • Manufacturing massive solar arrays;<\/li>\n
                                                                                                          • Deploying large radiator systems;<\/li>\n
                                                                                                          • Radiation qualification;<\/li>\n
                                                                                                          • Space environment testing;<\/li>\n
                                                                                                          • Orbital assembly;<\/li>\n
                                                                                                          • Long-term maintenance;<\/li>\n
                                                                                                          • Space debris protection;<\/li>\n
                                                                                                          • Global ground communication networks.<\/li>\n<\/ul>\n

                                                                                                            Any missing component could make orbital data centers impractical.<\/p>\n

                                                                                                            The Challenge of Building Gigawatt-Class Orbital Data Centers<\/h4>\n

                                                                                                            Using a 1 GW orbital data center as an example:<\/p>\n

                                                                                                            Assuming Starship V3 can deliver approximately 150 tons to LEO<\/strong>, and accounting for:<\/p>\n

                                                                                                              \n
                                                                                                            • Computing payloads;<\/li>\n
                                                                                                            • Solar arrays;<\/li>\n
                                                                                                            • Radiators;<\/li>\n
                                                                                                            • Structural components;<\/li>\n<\/ul>\n

                                                                                                              initial estimates suggest approximately 372 Starship launches<\/strong> would be required.<\/p>\n

                                                                                                              This scale itself represents a major engineering challenge.<\/p>\n

                                                                                                              Even if launch costs fall to approximately 100 USD\/kg, other constraints remain:<\/p>\n

                                                                                                                \n
                                                                                                              • Launch infrastructure;<\/li>\n
                                                                                                              • Production capacity;<\/li>\n
                                                                                                              • Flight frequency;<\/li>\n
                                                                                                              • Manufacturing synchronization;<\/li>\n
                                                                                                              • Orbital deployment schedules.<\/li>\n<\/ul>\n

                                                                                                                The Real Economic Turning Point: Reusability + Orbital Maintenance<\/h4>\n

                                                                                                                Based purely on depreciation costs, orbital data centers cannot compete with terrestrial facilities today.<\/p>\n

                                                                                                                The key breakthrough depends on two factors developing together:<\/p>\n

                                                                                                                  \n
                                                                                                                1. Ultra-low-cost heavy-lift transportation;<\/li>\n
                                                                                                                2. Long-term orbital servicing capability.<\/li>\n<\/ol>\n

                                                                                                                  SpaceX\u2019s Starship architecture is designed around:<\/p>\n

                                                                                                                    \n
                                                                                                                  • 100\u2013150 ton-class payload capability;<\/li>\n
                                                                                                                  • Extremely low marginal launch cost.<\/li>\n<\/ul>\n

                                                                                                                    If successfully operationalized, this could allow:<\/p>\n

                                                                                                                      \n
                                                                                                                    • Large-scale modular components;<\/li>\n
                                                                                                                    • Standardized computing units;<\/li>\n
                                                                                                                    • Mass deployment of orbital infrastructure.<\/li>\n<\/ul>\n

                                                                                                                      However, launch cost alone is insufficient.<\/p>\n

                                                                                                                      The more important factor is orbital maintenance.<\/p>\n

                                                                                                                      Current spacecraft typically have operational lifetimes of:<\/p>\n

                                                                                                                        \n
                                                                                                                      • 5 to 10 years.<\/li>\n<\/ul>\n

                                                                                                                        This is significantly shorter than terrestrial data centers, which commonly operate for:<\/p>\n

                                                                                                                          \n
                                                                                                                        • 15 to 20 years.<\/li>\n<\/ul>\n

                                                                                                                          The short orbital lifecycle creates high annual depreciation costs.<\/p>\n

                                                                                                                          Future systems may require autonomous orbital servicing robots, potentially including space-adapted versions of humanoid robots such as Tesla Optimus, capable of:<\/p>\n

                                                                                                                            \n
                                                                                                                          • Replacing computing modules;<\/li>\n
                                                                                                                          • Performing upgrades;<\/li>\n
                                                                                                                          • Repairing failures.<\/li>\n<\/ul>\n

                                                                                                                            If orbital servicing extends system lifetimes from:<\/p>\n

                                                                                                                            5\u201310 years \u2192 15\u201320 years or longer<\/strong><\/p>\n

                                                                                                                            the economic model of orbital data centers could fundamentally change.<\/p>\n

                                                                                                                            (3) Regulatory and Security Challenges<\/h3>\n

                                                                                                                            Large-scale deployment of high-power orbital infrastructure will inevitably trigger international security concerns.<\/p>\n

                                                                                                                            A satellite capable of supporting millions of computing cores could potentially be transformed into:<\/p>\n

                                                                                                                              \n
                                                                                                                            • An electronic warfare platform;<\/li>\n
                                                                                                                            • A signal intelligence node;<\/li>\n
                                                                                                                            • A strategic information asset.<\/li>\n<\/ul>\n

                                                                                                                              This creates increasing ambiguity between civilian and military applications.<\/p>\n

                                                                                                                              The Outer Space Treaty<\/strong>, the foundation of international space law, prohibits:<\/p>\n

                                                                                                                                \n
                                                                                                                              • Deployment of nuclear weapons or weapons of mass destruction in orbit;<\/li>\n
                                                                                                                              • Establishment of military bases on celestial bodies;<\/li>\n
                                                                                                                              • Testing certain types of weapons in space.<\/li>\n<\/ul>\n

                                                                                                                                However, the treaty was drafted during the early Cold War period.<\/p>\n

                                                                                                                                Its definition of \u201cweapons of mass destruction\u201d primarily addresses:<\/p>\n

                                                                                                                                  \n
                                                                                                                                • Nuclear weapons;<\/li>\n
                                                                                                                                • Biological weapons;<\/li>\n
                                                                                                                                • Chemical weapons.<\/li>\n<\/ul>\n

                                                                                                                                  Modern technologies such as:<\/p>\n

                                                                                                                                    \n
                                                                                                                                  • High-power lasers;<\/li>\n
                                                                                                                                  • Microwave systems;<\/li>\n
                                                                                                                                  • Large-scale AI computing constellations;<\/li>\n<\/ul>\n

                                                                                                                                    exist in significant legal grey zones.<\/p>\n

                                                                                                                                    As geopolitical competition intensifies, future international debates may focus on:<\/p>\n

                                                                                                                                      \n
                                                                                                                                    • Orbital power limits;<\/li>\n
                                                                                                                                    • Transparency requirements;<\/li>\n
                                                                                                                                    • Military-civilian separation standards.<\/li>\n<\/ul>\n

                                                                                                                                      Space Debris and Orbital Sustainability Risks<\/h4>\n

                                                                                                                                      A constellation containing millions of satellites would create additional concerns.<\/p>\n

                                                                                                                                      Maintaining such a network could require launching hundreds of thousands of replacement satellites annually.<\/p>\n

                                                                                                                                      The contribution to the risk of the Kessler Syndrome<\/strong> cannot be ignored.<\/p>\n

                                                                                                                                      A cascading orbital debris event could severely damage global low Earth orbit infrastructure, affecting:<\/p>\n

                                                                                                                                        \n
                                                                                                                                      • Communications satellites;<\/li>\n
                                                                                                                                      • Earth observation systems;<\/li>\n
                                                                                                                                      • Navigation networks;<\/li>\n
                                                                                                                                      • Future space computing platforms.<\/li>\n<\/ul>\n

                                                                                                                                        Therefore, large-scale orbital computing will require not only technological innovation but also new global governance frameworks.<\/p>\n

                                                                                                                                        7. Global Development Status and Competitive Landscape<\/h2>\n

                                                                                                                                        The global space computing industry is currently transitioning from experimental validation toward early-scale deployment.<\/p>\n

                                                                                                                                        The competitive landscape is increasingly shaped by:<\/p>\n

                                                                                                                                          \n
                                                                                                                                        • The United States;<\/li>\n
                                                                                                                                        • China;<\/li>\n
                                                                                                                                        • Emerging commercial space companies.<\/li>\n<\/ul>\n

                                                                                                                                          While both major space powers recognize the strategic importance of orbital computing, their development philosophies differ significantly.<\/p>\n

                                                                                                                                          The United States emphasizes:<\/p>\n

                                                                                                                                            \n
                                                                                                                                          • Commercial AI infrastructure;<\/li>\n
                                                                                                                                          • Private-sector innovation;<\/li>\n
                                                                                                                                          • Integration with existing technology ecosystems.<\/li>\n<\/ul>\n

                                                                                                                                            China focuses more on:<\/p>\n

                                                                                                                                              \n
                                                                                                                                            • Building independent space infrastructure capabilities;<\/li>\n
                                                                                                                                            • Developing strategic orbital computing capacity;<\/li>\n
                                                                                                                                            • Strengthening long-term space operations.<\/li>\n<\/ul>\n

                                                                                                                                              7. Global Development Status and Competitive Landscape (Continued)<\/h2>\n

                                                                                                                                              (1) The United States: Commercial Giants Accelerate Orbital AI Infrastructure<\/h3>\n

                                                                                                                                              The United States currently represents the most aggressive commercial push in space computing, driven by the combination of:<\/p>\n

                                                                                                                                                \n
                                                                                                                                              • Advanced AI industry;<\/li>\n
                                                                                                                                              • Private space companies;<\/li>\n
                                                                                                                                              • Semiconductor capabilities;<\/li>\n
                                                                                                                                              • Large-scale cloud infrastructure.<\/li>\n<\/ul>\n

                                                                                                                                                American technology companies and startups are pursuing multiple approaches, ranging from dedicated AI satellites to orbital data centers and space-based AI cloud platforms.<\/p>\n

                                                                                                                                                1. SpaceX: Building a Space-Based AI Computing Network<\/h4>\n

                                                                                                                                                SpaceX is considered one of the most strategically positioned companies in the emerging space computing race because it already controls several critical infrastructure layers:<\/p>\n

                                                                                                                                                  \n
                                                                                                                                                • Launch capability through Starship and Falcon systems;<\/li>\n
                                                                                                                                                • A massive satellite manufacturing ecosystem;<\/li>\n
                                                                                                                                                • Starlink\u2019s global communication network;<\/li>\n
                                                                                                                                                • Inter-satellite laser communication technology.<\/li>\n<\/ul>\n

                                                                                                                                                  In January 2026, SpaceX submitted an application to the U.S. Federal Communications Commission (FCC) proposing the deployment of a massive orbital computing network consisting of satellite-based AI infrastructure.<\/p>\n

                                                                                                                                                  The plan reportedly envisions deploying up to one million satellite nodes<\/strong> at orbital altitudes between 500 and 2,000 kilometers, creating a computing network designed to support the rapidly growing data demand generated by AI applications.<\/p>\n

                                                                                                                                                  This strategy builds upon SpaceX\u2019s existing Starlink ecosystem.<\/p>\n

                                                                                                                                                  Unlike competitors that must separately develop:<\/p>\n

                                                                                                                                                    \n
                                                                                                                                                  • Launch systems;<\/li>\n
                                                                                                                                                  • Satellite networks;<\/li>\n
                                                                                                                                                  • Space communication infrastructure;<\/li>\n<\/ul>\n

                                                                                                                                                    SpaceX already possesses most of the required components.<\/p>\n

                                                                                                                                                    Its Starlink laser communication backbone could provide the foundation for future orbital computing clusters, allowing distributed computing nodes to exchange data without relying on terrestrial networks.<\/p>\n

                                                                                                                                                    The company\u2019s long-term vision is not simply to place computers in orbit, but to create an integrated AI infrastructure stack:<\/p>\n

                                                                                                                                                    Launch \u2192 Satellite manufacturing \u2192 Orbital networking \u2192 Computing \u2192 AI services<\/strong><\/p>\n

                                                                                                                                                    This vertical integration could potentially transform SpaceX from a launch and communications company into a global AI infrastructure provider.<\/p>\n

                                                                                                                                                    2. Starcloud: Bringing Ground-Class AI Computing into Orbit<\/h4>\n

                                                                                                                                                    Starcloud is a U.S. space computing startup founded in 2024 and headquartered in Redmond, Washington.<\/p>\n

                                                                                                                                                    The company focuses specifically on deploying commercial AI computing infrastructure in orbit.<\/p>\n

                                                                                                                                                    In November 2025, Starcloud launched the Starcloud-1<\/strong> satellite equipped with an NVIDIA H100 GPU through a SpaceX Falcon 9 mission.<\/p>\n

                                                                                                                                                    The mission represented one of the earliest attempts to operate a terrestrial-class AI accelerator in orbit, demonstrating that modern AI hardware could potentially function in the space environment.<\/p>\n

                                                                                                                                                    The satellite weighs approximately 60 kilograms, yet provides computing performance far exceeding previous generations of space computers.<\/p>\n

                                                                                                                                                    Starcloud\u2019s long-term goal is to build gigawatt-scale orbital data centers featuring:<\/p>\n

                                                                                                                                                      \n
                                                                                                                                                    • Large solar arrays;<\/li>\n
                                                                                                                                                    • Thousands of AI accelerator modules;<\/li>\n
                                                                                                                                                    • Modular expansion capability.<\/li>\n<\/ul>\n

                                                                                                                                                      The company\u2019s vision is to transform orbital infrastructure from experimental payloads into scalable AI computing facilities.<\/p>\n

                                                                                                                                                      3. Google: Project Suncatcher and TPU-Based Space AI Computing<\/h4>\n

                                                                                                                                                      Google is exploring space computing through Project Suncatcher<\/strong>, a research initiative focused on deploying AI accelerator-equipped satellites in orbit.<\/p>\n

                                                                                                                                                      The project explores a future architecture consisting of:<\/p>\n

                                                                                                                                                        \n
                                                                                                                                                      • Solar-powered satellites;<\/li>\n
                                                                                                                                                      • Google Tensor Processing Units (TPUs);<\/li>\n
                                                                                                                                                      • Free-space optical communication links.<\/li>\n<\/ul>\n

                                                                                                                                                        The concept is to create a distributed orbital AI computing cluster capable of scaling machine learning workloads beyond terrestrial infrastructure limitations.<\/p>\n

                                                                                                                                                        Google has partnered with Planet Labs to develop prototype satellites.<\/p>\n

                                                                                                                                                        The initial plan includes launching two demonstration satellites around 2027 to test:<\/p>\n

                                                                                                                                                          \n
                                                                                                                                                        • TPU operation in the space environment;<\/li>\n
                                                                                                                                                        • Radiation tolerance;<\/li>\n
                                                                                                                                                        • Optical inter-satellite communication.<\/li>\n<\/ul>\n

                                                                                                                                                          The long-term vision is a constellation of approximately 81 satellites operating in sun-synchronous orbit and connected through laser links.<\/p>\n

                                                                                                                                                          Compared with SpaceX\u2019s extremely large-scale approach, Google\u2019s strategy focuses more on:<\/p>\n

                                                                                                                                                            \n
                                                                                                                                                          • Hardware validation;<\/li>\n
                                                                                                                                                          • AI accelerator optimization;<\/li>\n
                                                                                                                                                          • Distributed machine learning infrastructure.<\/li>\n<\/ul>\n

                                                                                                                                                            (2) China: Building Strategic Space Computing Infrastructure Capabilities<\/h3>\n

                                                                                                                                                            China\u2019s approach to space computing differs fundamentally from the U.S. commercial model.<\/p>\n

                                                                                                                                                            The core logic is not only reducing electricity costs, but using orbital computing projects as a way to develop a complete space infrastructure capability stack, including:<\/p>\n

                                                                                                                                                              \n
                                                                                                                                                            • High-power orbital energy systems;<\/li>\n
                                                                                                                                                            • Advanced thermal management;<\/li>\n
                                                                                                                                                            • High-speed optical communication;<\/li>\n
                                                                                                                                                            • Autonomous orbital computing management.<\/li>\n<\/ul>\n

                                                                                                                                                              China already possesses large-scale terrestrial energy infrastructure, including extensive ultra-high-voltage power transmission networks and renewable energy capacity.<\/p>\n

                                                                                                                                                              Therefore, the strategic value of space computing lies less in replacing terrestrial electricity consumption and more in developing long-term space operational capabilities.<\/p>\n

                                                                                                                                                              1. Three-Body Computing Constellation<\/h4>\n

                                                                                                                                                              The Three-Body Computing Constellation<\/strong> is one of China\u2019s most representative orbital computing projects.<\/p>\n

                                                                                                                                                              The project is led by Zhejiang Lab, with satellite development undertaken by ADA Space.<\/p>\n

                                                                                                                                                              The first batch of 12 satellites was launched in May 2025.<\/p>\n

                                                                                                                                                              The constellation demonstrated several key capabilities:<\/p>\n

                                                                                                                                                                \n
                                                                                                                                                              • Distributed orbital computing;<\/li>\n
                                                                                                                                                              • Satellite networking;<\/li>\n
                                                                                                                                                              • AI model deployment;<\/li>\n
                                                                                                                                                              • Space-based data processing.<\/li>\n<\/ul>\n

                                                                                                                                                                Each satellite reportedly integrates:<\/p>\n

                                                                                                                                                                  \n
                                                                                                                                                                • Spaceborne intelligent computing systems;<\/li>\n
                                                                                                                                                                • High-speed inter-satellite communication equipment;<\/li>\n
                                                                                                                                                                • AI processing payloads.<\/li>\n<\/ul>\n

                                                                                                                                                                  The initial constellation achieved:<\/p>\n

                                                                                                                                                                    \n
                                                                                                                                                                  • Single-satellite computing capability: 744 TOPS<\/strong>;<\/li>\n
                                                                                                                                                                  • Total computing capability: 5 POPS<\/strong>;<\/li>\n
                                                                                                                                                                  • Storage capacity: 30 TB<\/strong>.<\/li>\n<\/ul>\n

                                                                                                                                                                    The system also deployed AI models onboard satellites, including remote sensing models designed for in-orbit data interpretation.<\/p>\n

                                                                                                                                                                    The project represents a transition from traditional satellite architecture:<\/p>\n

                                                                                                                                                                    \u201cCollect data \u2192 transmit data \u2192 process on Earth\u201d<\/strong><\/p>\n

                                                                                                                                                                    toward:<\/p>\n

                                                                                                                                                                    \u201cCollect data \u2192 process in orbit \u2192 transmit intelligence products.\u201d<\/strong><\/p>\n

                                                                                                                                                                    2. Gigawatt-Class Space Data Center Project<\/h4>\n

                                                                                                                                                                    China has also proposed a much larger-scale orbital data center concept.<\/p>\n

                                                                                                                                                                    In November 2025, the concept of a gigawatt-class space data center<\/strong> was introduced at a space computing infrastructure development conference in Beijing.<\/p>\n

                                                                                                                                                                    The proposed system aims to establish large orbital computing facilities in dawn-dusk orbits approximately 700\u2013800 kilometers above Earth.<\/p>\n

                                                                                                                                                                    The architecture includes three major components:<\/p>\n

                                                                                                                                                                      \n
                                                                                                                                                                    1. Space computing infrastructure;<\/li>\n
                                                                                                                                                                    2. Relay communication systems;<\/li>\n
                                                                                                                                                                    3. Ground management systems.<\/li>\n<\/ol>\n

                                                                                                                                                                      The space segment would consist of multiple orbital data centers, each targeting approximately 1 GW of computing power<\/strong>.<\/p>\n

                                                                                                                                                                      The planned development roadmap includes three phases:<\/p>\n

                                                                                                                                                                      Phase 1: 2025\u20132027<\/h5>\n

                                                                                                                                                                      Focus areas:<\/p>\n

                                                                                                                                                                        \n
                                                                                                                                                                      • Energy systems;<\/li>\n
                                                                                                                                                                      • Thermal management;<\/li>\n
                                                                                                                                                                      • Experimental satellites;<\/li>\n
                                                                                                                                                                      • Initial computing constellation deployment.<\/li>\n<\/ul>\n

                                                                                                                                                                        Goal:<\/p>\n

                                                                                                                                                                        Achieve early \u201cspace data processing\u201d applications.<\/p>\n

                                                                                                                                                                        Phase 2: 2028\u20132030<\/h5>\n

                                                                                                                                                                        Focus areas:<\/p>\n

                                                                                                                                                                          \n
                                                                                                                                                                        • Orbital assembly technology;<\/li>\n
                                                                                                                                                                        • Cost reduction;<\/li>\n
                                                                                                                                                                        • Expansion of computing satellite networks.<\/li>\n<\/ul>\n

                                                                                                                                                                          Goal:<\/p>\n

                                                                                                                                                                          Enable large-scale orbital infrastructure construction.<\/p>\n

                                                                                                                                                                          Phase 3: 2031\u20132035<\/h5>\n

                                                                                                                                                                          Focus areas:<\/p>\n

                                                                                                                                                                            \n
                                                                                                                                                                          • Mass satellite production;<\/li>\n
                                                                                                                                                                          • Large-scale constellation deployment;<\/li>\n
                                                                                                                                                                          • Orbital data center construction.<\/li>\n<\/ul>\n

                                                                                                                                                                            Goal:<\/p>\n

                                                                                                                                                                            Move toward a future model of:<\/p>\n

                                                                                                                                                                            \u201cSpace-based primary computing infrastructure.\u201d<\/strong><\/p>\n

                                                                                                                                                                            8. Future Applications of Space Computing<\/h2>\n

                                                                                                                                                                            Space computing is expected to reshape multiple industries through three core advantages:<\/p>\n

                                                                                                                                                                              \n
                                                                                                                                                                            • Real-time orbital processing;<\/li>\n
                                                                                                                                                                            • Global seamless coverage;<\/li>\n
                                                                                                                                                                            • Low-latency, high-efficiency computing.<\/li>\n<\/ul>\n

                                                                                                                                                                              Its future impact will extend across both defense-related and commercial sectors.<\/p>\n

                                                                                                                                                                              (1) Defense and Strategic Applications<\/h3>\n

                                                                                                                                                                              The effectiveness of space-based information systems has always depended on two fundamental factors:<\/p>\n

                                                                                                                                                                                \n
                                                                                                                                                                              1. How far can we see?<\/li>\n
                                                                                                                                                                              2. How quickly can we respond?<\/li>\n<\/ol>\n

                                                                                                                                                                                Over the past decades, major progress has been achieved in sensing capabilities:<\/p>\n

                                                                                                                                                                                  \n
                                                                                                                                                                                • Optical resolution has improved from meter-level to sub-meter level;<\/li>\n
                                                                                                                                                                                • Radar systems have evolved from wide-area scanning to advanced imaging modes;<\/li>\n
                                                                                                                                                                                • Infrared sensors have moved from point detection toward large-area observation.<\/li>\n<\/ul>\n

                                                                                                                                                                                  However, the speed of response has remained constrained by one fundamental bottleneck:<\/p>\n

                                                                                                                                                                                  Data transmission from space to Earth.<\/strong><\/p>\n

                                                                                                                                                                                  This is not primarily a technological limitation, but an infrastructure limitation.<\/p>\n

                                                                                                                                                                                  Traditional satellite systems face:<\/p>\n

                                                                                                                                                                                    \n
                                                                                                                                                                                  • Limited global ground station coverage;<\/li>\n
                                                                                                                                                                                  • Short communication windows during orbital passes;<\/li>\n
                                                                                                                                                                                  • Restricted downlink capacity.<\/li>\n<\/ul>\n

                                                                                                                                                                                    As a result, a significant portion of collected satellite data cannot be transmitted quickly enough to retain operational value.<\/p>\n

                                                                                                                                                                                    For highly time-sensitive applications, delayed intelligence can become ineffective intelligence.<\/p>\n

                                                                                                                                                                                    Space computing fundamentally changes this model.<\/p>\n

                                                                                                                                                                                    It enables satellites to complete the entire chain:<\/p>\n

                                                                                                                                                                                    Sensing \u2192 Computing \u2192 Decision support<\/strong><\/p>\n

                                                                                                                                                                                    directly in orbit.<\/p>\n

                                                                                                                                                                                    Instead of transmitting massive raw datasets back to Earth, satellites can perform:<\/p>\n

                                                                                                                                                                                      \n
                                                                                                                                                                                    • Feature extraction;<\/li>\n
                                                                                                                                                                                    • Target recognition;<\/li>\n
                                                                                                                                                                                    • Data fusion;<\/li>\n
                                                                                                                                                                                    • Threat assessment.<\/li>\n<\/ul>\n

                                                                                                                                                                                      The final output becomes:<\/p>\n

                                                                                                                                                                                        \n
                                                                                                                                                                                      • Smaller;<\/li>\n
                                                                                                                                                                                      • More valuable;<\/li>\n
                                                                                                                                                                                      • More actionable intelligence products.<\/li>\n<\/ul>\n

                                                                                                                                                                                        This shortens decision cycles from hours or days to minutes or seconds.<\/p>\n

                                                                                                                                                                                        Four Strategic Impact Areas<\/h4>\n

                                                                                                                                                                                        1. Next-Generation Intelligence, Surveillance, and Reconnaissance (ISR)<\/h5>\n

                                                                                                                                                                                        Traditional systems follow:<\/p>\n

                                                                                                                                                                                        Capture \u2192 Transmit \u2192 Process \u2192 Analyze<\/strong><\/p>\n

                                                                                                                                                                                        Space computing enables:<\/p>\n

                                                                                                                                                                                        Capture \u2192 Process \u2192 Deliver intelligence<\/strong><\/p>\n

                                                                                                                                                                                        within the orbital environment.<\/p>\n

                                                                                                                                                                                        Satellites could automatically analyze:<\/p>\n

                                                                                                                                                                                          \n
                                                                                                                                                                                        • Optical imagery;<\/li>\n
                                                                                                                                                                                        • Radar data;<\/li>\n
                                                                                                                                                                                        • Infrared information.<\/li>\n<\/ul>\n

                                                                                                                                                                                          This would dramatically accelerate:<\/p>\n

                                                                                                                                                                                            \n
                                                                                                                                                                                          • Target detection;<\/li>\n
                                                                                                                                                                                          • Object identification;<\/li>\n
                                                                                                                                                                                          • Situation awareness.<\/li>\n<\/ul>\n
                                                                                                                                                                                            2. Autonomous Space Situational Awareness<\/h5>\n

                                                                                                                                                                                            As orbital environments become increasingly crowded, collision avoidance becomes more important.<\/p>\n

                                                                                                                                                                                            Current systems depend heavily on:<\/p>\n

                                                                                                                                                                                              \n
                                                                                                                                                                                            • Ground tracking stations;<\/li>\n
                                                                                                                                                                                            • Human analysis;<\/li>\n
                                                                                                                                                                                            • Uploaded commands.<\/li>\n<\/ul>\n

                                                                                                                                                                                              Orbital computing could allow satellites to:<\/p>\n

                                                                                                                                                                                                \n
                                                                                                                                                                                              • Analyze orbital conditions in real time;<\/li>\n
                                                                                                                                                                                              • Predict collision risks;<\/li>\n
                                                                                                                                                                                              • Execute autonomous avoidance maneuvers.<\/li>\n<\/ul>\n

                                                                                                                                                                                                This would create a distributed autonomous protection system for valuable spacecraft.<\/p>\n

                                                                                                                                                                                                3. Intelligent Control of Large Satellite Constellations<\/h5>\n

                                                                                                                                                                                                As satellite constellations grow from hundreds to thousands or millions of spacecraft, ground-based management becomes increasingly complex.<\/p>\n

                                                                                                                                                                                                Space computing enables:<\/p>\n

                                                                                                                                                                                                  \n
                                                                                                                                                                                                • Autonomous routing;<\/li>\n
                                                                                                                                                                                                • Dynamic resource allocation;<\/li>\n
                                                                                                                                                                                                • Distributed decision-making.<\/li>\n<\/ul>\n

                                                                                                                                                                                                  Future constellations could evolve from:<\/p>\n

                                                                                                                                                                                                  Ground-controlled networks<\/strong><\/p>\n

                                                                                                                                                                                                  into:<\/p>\n

                                                                                                                                                                                                  Self-organizing orbital computing systems.<\/strong><\/p>\n

                                                                                                                                                                                                  4. Battlefield Edge Computing<\/h5>\n

                                                                                                                                                                                                  Future military and security applications may involve enormous volumes of data from:<\/p>\n

                                                                                                                                                                                                    \n
                                                                                                                                                                                                  • Autonomous systems;<\/li>\n
                                                                                                                                                                                                  • Sensor networks;<\/li>\n
                                                                                                                                                                                                  • Electronic information environments.<\/li>\n<\/ul>\n

                                                                                                                                                                                                    Instead of transmitting all information back to centralized facilities, orbital computing could process data closer to where it is generated.<\/p>\n

                                                                                                                                                                                                    Users would receive:<\/p>\n

                                                                                                                                                                                                    Not raw data,<\/p>\n

                                                                                                                                                                                                    but analyzed decision-support information.<\/p>\n","protected":false},"excerpt":{"rendered":"

                                                                                                                                                                                                    AI’s computing needs are outgrowing what Earth can easily supply \u2014 and a new race is emerging to move data centers into orbit. This report breaks down the emerging “space computing” industry from every angle: what it actually is and why energy and bandwidth constraints are pushing computing into space (Sections 1\u20132); the physical advantages […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[10014,5798,376,6655,10016,5819,490,5922,425,274,328,316,496,440,10015],"class_list":["post-71463","post","type-post","status-publish","format-standard","hentry","category-news","tag-ai-compute","tag-ai-infrastructure","tag-axiom-space","tag-china-space-program","tag-google-project-suncatcher","tag-leo-satellites","tag-orbital-data-centers","tag-satellite-constellations","tag-space-computing","tag-space-economy","tag-space-policy","tag-spacex","tag-starcloud","tag-starlink","tag-three-body-computing-constellation"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/71463"}],"collection":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/comments?post=71463"}],"version-history":[{"count":1,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/71463\/revisions"}],"predecessor-version":[{"id":71697,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/71463\/revisions\/71697"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=71463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=71463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=71463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}