{"id":37460,"date":"2020-08-14T23:55:19","date_gmt":"2020-08-14T15:55:19","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/ariane-5-launches-mission-extension-vehicle-two-communications-satellites-to-orbit-2\/"},"modified":"2020-08-14T23:55:19","modified_gmt":"2020-08-14T15:55:19","slug":"ariane-5-launches-mission-extension-vehicle-two-communications-satellites-to-orbit-2","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/ariane-5-launches-mission-extension-vehicle-two-communications-satellites-to-orbit-2\/","title":{"rendered":"Ariane 5 launches Mission Extension Vehicle, two communications satellites to orbit"},"content":{"rendered":"<p>An Ariane 5 rocket, operated by European Launch Service provider Arianespace, launched on its 109th scheduled flight, designated VA253, on Saturday.<\/p>\n<p>The heavy lift rocket was scheduled to launch from pad Ensemble de Lancement Ariane 3 (ELA-3) at Europe\u2019s spaceport in Kourou, French Guiana, on 31 July 2020. However, a hold was called, under two minutes to launch. Efforts to return to the countdown within the launch window were unsuccessful, resulting in a scrub and a rollback for a replacement of a sensor inside the liquid hydrogen tank in the launcher\u2019s main cryogenic stage. <\/p>\n<p>VA253 marked the 253rd flight of an Ariane rocket since L-01, the first flight of the Ariane 1, on 24 December 1979.<\/p>\n<p>The Ariane 5 rocket for this mission was integrated with its payloads earlier in July and rolled out to the pad, ELA-3, on Thursday, 30 July.<\/p>\n<p>Three separate spacecraft comprise the dual-launch payload for this mission, including Galaxy 30, Mission Extension Vehicle-2, and BSAT-4b.<\/p>\n<p>Riding in the \u201clower passenger\u201d position inside the SYLDA (Syst\u00e8me de Lancement Double Ariane \u2014 \u201cAriane Double-Launch System\u201d) is BSAT-4b, a broadcasting satellite built by Space Systems\/Loral (SSL), a subsidiary of Maxar Technologies.&nbsp; The satellite is based on the SSL-1300 spacecraft bus.&nbsp;<\/p>\n<p>BSAT-4b is owned and operated by Broadcasting Satellite System Corporation (BSAT), which provides communication and broadcasting satellite services for Japan.<\/p>\n<\/p>\n<p><iframe title=\"SCRUB: Ariane 5 VA253 launch coverage and Q&amp;A\" src=\"https:\/\/www.youtube.com\/embed\/35TRWe1ILw8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\" name=\"fitvid0\" data-gtm-yt-inspected-14=\"true\" data-gtm-yt-inspected-21=\"true\"><\/iframe><\/p>\n<p>Spaceflight news subscription<path d=\"M7.59009 18.59L9.00009 20L17.0001 12L9.00009 4L7.59009 5.41L14.1701 12\" style=\"animation: initial !important; background: initial !important; border: 0px !important; box-shadow: none !important; color: inherit !important; cursor: inherit !important; direction: inherit !important; display: inline !important; fill: currentcolor !important; filter: initial !important; float: none !important; margin: 0px !important; opacity: initial !important; outline: 0px !important; overflow: initial !important; padding: 0px !important; stroke: initial !important; transform: initial !important; vertical-align: initial !important; visibility: inherit !important;\"><\/path>NASA mission patches<path d=\"M7.59009 18.59L9.00009 20L17.0001 12L9.00009 4L7.59009 5.41L14.1701 12\" style=\"animation: initial !important; background: initial !important; border: 0px !important; box-shadow: none !important; color: inherit !important; cursor: inherit !important; direction: inherit !important; display: inline !important; fill: currentcolor !important; filter: initial !important; float: none !important; margin: 0px !important; opacity: initial !important; outline: 0px !important; overflow: initial !important; padding: 0px !important; stroke: initial !important; transform: initial !important; vertical-align: initial !important; visibility: inherit !important;\"><\/path>Rocket building kits<path d=\"M7.59009 18.59L9.00009 20L17.0001 12L9.00009 4L7.59009 5.41L14.1701 12\" style=\"animation: initial !important; background: initial !important; border: 0px !important; box-shadow: none !important; color: inherit !important; cursor: inherit !important; direction: inherit !important; display: inline !important; fill: currentcolor !important; filter: initial !important; float: none !important; margin: 0px !important; opacity: initial !important; outline: 0px !important; overflow: initial !important; padding: 0px !important; stroke: initial !important; transform: initial !important; vertical-align: initial !important; visibility: inherit !important;\"><\/path>\n<p>     (adsbygoogle = window.adsbygoogle || []).push({});<\/p>\n<p>The spacecraft will serve as a backup to BSAT-4a, which was launched in September 2017 aboard an earlier Ariane 5 mission.&nbsp; BSAT-4b is identical to -4a.<\/p>\n<p>The 3,520 kg satellite uses 24 Ku-Band (12-18 GHz) transponders and will be capable of broadcasting 4K\/8K ultra-high definition media direct-to-home in the area it provides service for.<\/p>\n<h4 class=\"widget-title penci-border-arrow\">See Also<\/h4>\n<ul>\n<li>UPDATES Ariane 5 Launch<\/li>\n<li>European Launcher Section<\/li>\n<li>Click here to Join L2<\/li>\n<\/ul>\n<p>The spacecraft will be located in geostationary orbit at 110 degrees East.<\/p>\n<p>It will be the final payload to separate from the Ariane 5\u2019s upper stage at T+47 minutes 39 seconds.<\/p>\n<p>Riding above BSAT-4b, in the \u201cupper passenger\u201d position on top of the SYLDA, are two more spacecraft: Intelsat\u2019s Galaxy 30 and Northrop Grumman\u2019s Mission Extension Vehicle 2, via their wholly-owned subsidiary SpaceLogistics LLC.<\/p>\n<p>Galaxy 30 is a communications satellite operated by American company Intelsat as part of Intelsat\u2019s upgrade to their Galaxy fleet of communications satellites, which encompasses the company\u2019s North American focused network.<\/p>\n<p>The launch of Galaxy 30 will mark the beginning of the replacement program for Intelsat\u2019s current fleet of 13 Galaxy satellites.<\/p>\n<p>The spacecraft will be positioned in a Geostationary Orbit at 125 degrees West, providing Ultra High Definition (UHD) and Over The Top (OTT) media services as well as other communications options to the continental U.S., Alaska, and the Caribbean Islands.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" aria-describedby=\"caption-attachment-68766\" class=\"size-full wp-image-68766\" src=\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2020\/07\/7-20-2020-VA253-lg.jpg\" alt=\"\" width=\"842\" height=\"595\" srcset=\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2020\/07\/7-20-2020-VA253-lg.jpg 842w, https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2020\/07\/7-20-2020-VA253-lg-350x247.jpg 350w, https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2020\/07\/7-20-2020-VA253-lg-495x350.jpg 495w, https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2020\/07\/7-20-2020-VA253-lg-768x543.jpg 768w\" sizes=\"(max-width: 842px) 100vw, 842px\"><\/p>\n<p id=\"caption-attachment-68766\" class=\"wp-caption-text\">BSAT-4b being transferred to the S5A Fueling and Integration building at Kourou. (Credit: ArianeGroup)<\/p>\n<p>Galaxy 30 will actually ride on top of the Mission Extension Vehicle 2 (MEV-2) spacecraft. MEV-2 is part of Northrop Grumman\u2019s Mission Extension Vehicle fleet, which are capable of rendezvousing and docking to older satellites in orbit and providing them with extra fuel for an extended operational life instead of decommissioning an otherwise perfectly functioning satellite.<\/p>\n<p>MEV-2 follows in the footsteps of MEV-1, which launched aboard a Russian Proton-M rocket in September 2019 and docked to the Intelsat 901 satellite three months later in Geostationary orbit \u2014 the first-ever docking in that orbit.&nbsp;<\/p>\n<p>MEV-1\u2019s arrival at Intelsat 901 allowed the satellite (which would have needed to be decommissioned, owing to lack of fuel) to continue operating in active service for at least five years per the contract.<\/p>\n<p>MEV-2 will now service another Intelsat spacecraft, Intelsat 10-02 which launched aboard a Proton-M rocket in 2004 and is currently located in Geostationary Orbit at 1.0 degrees West.<\/p>\n<p>NASASpaceflight interviewed Vice President for Business Development Joe Anderson of SpaceLogistics (the wholely-owned subsidiary of Northrop Grumman that operates the MEV vehicles) about the MEV-2 mission.<\/p>\n<p>He noted two major differences between MEV-2\u2019s mission and the earlier MEV-1, the first of which being that Intelsat will keep the 10-02 satellite in Geostationary Orbit at 35,786 km instead of moving it up 300 km higher into what is known as the Geostationary Orbit graveyard.<\/p>\n<p>This major difference is due to the success of MEV-1 and Intelsat 901, which had been decommissioned and moved into a Geostationary graveyard so that MEV-1 could rendezvous with it there.<\/p>\n<p><iframe id=\"twitter-widget-1\" scrolling=\"no\" frameborder=\"0\" allowtransparency=\"true\" allowfullscreen=\"true\" class=\"\" style=\"position: static; visibility: visible; width: 0px; height: 0px; display: block; flex-grow: 1;\" title=\"X Post\" src=\"https:\/\/platform.twitter.com\/embed\/Tweet.html?creatorScreenName=tobycorbett01&amp;dnt=true&amp;embedId=twitter-widget-1&amp;features=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%3D%3D&amp;frame=false&amp;hideCard=false&amp;hideThread=false&amp;id=1289249901667184642&amp;lang=en&amp;origin=https%3A%2F%2Fwww.nasaspaceflight.com%2F2020%2F08%2Fariane-5-launch-va253%2F&amp;sessionId=419d3123a9cdd544f3091bc215a9d20509623aa5&amp;siteScreenName=NASASpaceflight&amp;theme=light&amp;widgetsVersion=6a3ad42b224df%3A1778106238597&amp;width=550px\" data-gtm-yt-inspected-14=\"true\" data-gtm-yt-inspected-21=\"true\" data-tweet-id=\"1289249901667184642\"><\/iframe><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\" data-twitter-extracted-i1783498357147359607=\"true\">\n<p lang=\"en\" dir=\"ltr\">Ahead of Intelsat\u2019s 151st launch this evening, our experts talk about the significance behind #Galaxy30 and what it means to our customers. <img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"\ud83d\udcfd\ufe0f\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/16.0.1\/svg\/1f4fd.svg\"><img decoding=\"async\" draggable=\"false\" role=\"img\" class=\"emoji\" alt=\"\u25b6\ufe0f\" src=\"https:\/\/s.w.org\/images\/core\/emoji\/16.0.1\/svg\/25b6.svg\"> pic.twitter.com\/uyecyaYnBD<\/p>\n<p>\u2014 Intelsat (@INTELSAT) July 31, 2020<\/p>\n<\/blockquote>\n<p>Every element of the MEV-1 mission went according to plan and proved out all of the rendezvous and docking systems.<\/p>\n<p>Intelsat reviewed the data, and was so pleased with the process they agreed to allow MEV-2 to approach and dock to Intelsat 10-02 in Geostationary Orbit while the satellite is still operating and performing its telecommunication duties to customers.<\/p>\n<p>This allows for a more simplified process, noted Mr. Anderson. \u201cNumber one: we\u2019re doing this directly in Geostationary Orbit, so it actually simplifies the process considerably, especially from the telemetry and commanding perspective.\u201d<\/p>\n<p>The second change is directly related.&nbsp; \u201cWe\u2019re not drifting relative to the Earth,\u201d noted Mr. Anderson.&nbsp; \u201cWe\u2019re not drifting past other operational satellites, so we don\u2019t have the coordination of our telemetry and commanding to avoid Radio Frequency interferences.&nbsp; So that simplifies the operation considerably.\u201d<\/p>\n<p>After the Ariane 5 upper stage cuts off once reaching the desired 250 x 35,735 km Geostationary Transfer Orbit target, Galaxy 30 will be released from MEV-2 at T+27 minutes 47 seconds.<\/p>\n<p>\u201cThe MEV was designed intentionally to be compatible with a stacked launch, with a dual launch,\u201d related Mr. Anderson.&nbsp; \u201cWe were originally, if you go back several years, designing them to stack two of them together.&nbsp; But it\u2019s just as compatible of being stacked with another spacecraft as well.&nbsp; So we took the opportunity to combine our MEV launches with other [Geostationary Orbit] spacecraft that we were building and proposing at the same time as the MEVs came along.\u201d<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-68767\" class=\"size-full wp-image-68767\" src=\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2020\/07\/787539017.jpg\" alt=\"\" width=\"695\" height=\"374\" srcset=\"https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2020\/07\/787539017.jpg 695w, https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2020\/07\/787539017-350x188.jpg 350w, https:\/\/www.nasaspaceflight.com\/wp-content\/uploads\/2020\/07\/787539017-630x339.jpg 630w\" sizes=\"(max-width: 695px) 100vw, 695px\"><\/p>\n<p id=\"caption-attachment-68767\" class=\"wp-caption-text\">MEV-2 (Foreground) and Galaxy 30 (Background) at the Kourou S5 Processing facility ahead of Integration. (Credit ArianeGroup)<\/p>\n<p>After a brief reorientation in orbit after Galaxy 30\u2019s release, MEV-2 will then separate from the top of SYLDA at T+34 minutes 22 seconds.<\/p>\n<p>\u201cOnce MEV-2 is separated from the upper stage of the launch vehicle, it does a few deployments of its own,\u201d said Mr. Anderson.&nbsp; \u201cSome of the appendages and antennas and those sorts of things have to deploy before it begins doing its orbit raising.<\/p>\n<p>\u201cSo the first stage of our orbit raising involves a couple of small hydrazine chemical propulsion thruster firings to begin the orbit-raising.&nbsp; And then, after that, we will deploy the solar arrays.&nbsp; Then we begin doing our electric propulsion orbit-raising which is the primary orbit-raising method.&nbsp; That maneuver will basically involve firing the engine continuously for months to get up to Geostationary Orbit.<\/p>\n<p>It will take MEV-2 about five months to reach Geostationary Orbit \u2014 about one more longer than MEV-1 because the Ariane 5 delivers the payload into a slightly lower Geostationary Transfer Orbit than MEV-1\u2019s Proton launcher did in October 2019.<\/p>\n<p>Once MEV-2\u2019s five year contracted mission with Intelsat 10-02 is complete, the spacecraft will be available for contract by other satellite operators in order to extend the lives of their would-be-decommissioned satellites.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An Ariane 5 rocket, operated by European Launch Service provider Arianespace, launched on its 109th scheduled flight, designated VA253, on Saturday. The heavy lift rocket was scheduled to launch from pad Ensemble de Lancement Ariane 3 (ELA-3) at Europe\u2019s spaceport in Kourou, French Guiana, on 31 July 2020. However, a hold was called, under two [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":37461,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[1540,498,8882,244,1255,1084,554],"class_list":["post-37460","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-ariane-5","tag-arianespace","tag-bsat","tag-europe","tag-intelsat","tag-maxar","tag-northrop-grumman"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/37460"}],"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=37460"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/37460\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media\/37461"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=37460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=37460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=37460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}