{"id":13962,"date":"2018-02-28T22:19:12","date_gmt":"2018-02-28T14:19:12","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/atlas-5-goes-s-launch-timeline\/"},"modified":"2018-02-28T22:19:12","modified_gmt":"2018-02-28T14:19:12","slug":"atlas-5-goes-s-launch-timeline","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/atlas-5-goes-s-launch-timeline\/","title":{"rendered":"Atlas 5\/GOES-S launch timeline"},"content":{"rendered":"<p>This is the launch timeline to be followed by the Atlas 5 rocket\u2019s ascent into orbit from Cape Canaveral with the GOES-S weather satellite. Launch is scheduled for Thursday during a two-hour window opening at 5:02 p.m. EST (2202 GMT).<\/p>\n<p>The 197-foot-tall rocket will arc to the east from Florida\u2019s Space Coast on its second flight of the year. It will be the 76th Atlas 5 launch overall since United Launch Alliance\u2019s workhorse rocket debuted in August 2002.<\/p>\n<p>The timeline below ends with the conclusion of the primary mission, the deployment of the GOES-S satellite into an elliptical geostationary transfer orbit.<\/p>\n<p>Follow live coverage of the countdown and launch in our&nbsp;Mission Status Center.<\/p>\n<p>A video overview of the Atlas 5 launch sequence also describes the major milestones on the GOES-S mission.<\/p>\n<p><iframe loading=\"lazy\" width=\"678\" height=\"381\" src=\"https:\/\/www.youtube.com\/embed\/3Auwwc9BLXE?feature=oembed\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen=\"\"><\/iframe><\/p>\n<p><strong>T+0:00:01.1: Liftoff<\/strong><\/p>\n<figure id=\"attachment_30823\" aria-describedby=\"caption-attachment-30823\" style=\"width: 1416px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-30823\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_liftoff1.jpg\" alt=\"\" width=\"1416\" height=\"803\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_liftoff1.jpg 1416w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_liftoff1-300x170.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_liftoff1-768x436.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_liftoff1-678x384.jpg 678w\" sizes=\"(max-width: 1416px) 100vw, 1416px\"><figcaption id=\"caption-attachment-30823\" class=\"wp-caption-text\">With the RD-180 main engine running, the Atlas 5 vehicle lifts off and begins a vertical rise away from Complex 41 at Cape Canaveral Air Force Station, Florida.<\/figcaption><\/figure>\n<p><strong>T+0:00:35.2: Mach 1<\/strong><\/p>\n<figure id=\"attachment_30824\" aria-describedby=\"caption-attachment-30824\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30824\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mach1.jpg\" alt=\"\" width=\"900\" height=\"545\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mach1.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mach1-300x182.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mach1-768x465.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mach1-678x411.jpg 678w\" sizes=\"(max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30824\" class=\"wp-caption-text\">Riding 2.1 million pounds of thrust from its RD-180 main engine and four solid rocket boosters, the Atlas 5 exceeds the speed of sound.<\/figcaption><\/figure>\n<p><strong>T+0:00:47.1: Max-Q<\/strong><\/p>\n<figure id=\"attachment_30825\" aria-describedby=\"caption-attachment-30825\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30825\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_maxq.jpg\" alt=\"\" width=\"900\" height=\"504\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_maxq.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_maxq-300x168.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_maxq-768x430.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_maxq-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30825\" class=\"wp-caption-text\">The Atlas 5 rocket passes through the region of maximum dynamic pressure during ascent through the lower atmosphere.<\/figcaption><\/figure>\n<p><strong>T+0:01:50.3: Jettison SRBs<\/strong><\/p>\n<figure id=\"attachment_30826\" aria-describedby=\"caption-attachment-30826\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30826\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_srb_jettison.jpg\" alt=\"\" width=\"900\" height=\"505\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_srb_jettison.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_srb_jettison-300x168.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_srb_jettison-768x431.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_srb_jettison-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30826\" class=\"wp-caption-text\">Having burned out of propellant approximately 20 seconds earlier, the four spent Aerojet Rocketdyne-built solid rocket boosters are jettisoned once dynamic pressure conditions are satisfied.<\/figcaption><\/figure>\n<p><strong>T+0:03:29.9: Nose Cone Jettison<\/strong><\/p>\n<figure id=\"attachment_30827\" aria-describedby=\"caption-attachment-30827\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30827\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_fairingjettison.jpg\" alt=\"\" width=\"900\" height=\"506\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_fairingjettison.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_fairingjettison-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_fairingjettison-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_fairingjettison-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30827\" class=\"wp-caption-text\">The Atlas 5 rocket\u2019s payload fairing, made in Switzerland by Ruag Space, is jettisoned in a clamshell-like fashion once external heating levels drop below predetermined limits after climbing through the dense lower atmosphere. The Forward Load Reactor deck that connected the payload fairing\u2019s structure to the Centaur upper stage is released five seconds after the shroud\u2019s jettison.<\/figcaption><\/figure>\n<p><strong>T+0:04:21.9: Main Engine Cutoff<\/strong><\/p>\n<figure id=\"attachment_30828\" aria-describedby=\"caption-attachment-30828\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30828\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_beco.jpg\" alt=\"\" width=\"900\" height=\"502\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_beco.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_beco-300x167.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_beco-768x428.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_beco-678x378.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30828\" class=\"wp-caption-text\">The RD-180 main engine completes its firing after consuming its kerosene and liquid oxygen fuel supply in the Atlas first stage.<\/figcaption><\/figure>\n<p><strong>T+0:04:27.9: Stage Separation<\/strong><\/p>\n<figure id=\"attachment_30829\" aria-describedby=\"caption-attachment-30829\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30829\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_staging1.jpg\" alt=\"\" width=\"900\" height=\"506\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_staging1.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_staging1-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_staging1-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_staging1-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30829\" class=\"wp-caption-text\">The Common Core Booster first stage of the Atlas 5 rocket separates from the Centaur upper stage. Over the next few seconds, the Centaur engine liquid hydrogen and liquid oxygen systems are readied for ignition.<\/figcaption><\/figure>\n<p><strong>T+0:04:37.9: Centaur Ignition 1<\/strong><\/p>\n<figure id=\"attachment_30830\" aria-describedby=\"caption-attachment-30830\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30830\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes1.jpg\" alt=\"\" width=\"900\" height=\"506\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes1.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes1-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes1-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes1-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30830\" class=\"wp-caption-text\">The Centaur RL10C-1 engine ignites for the first of three upper stage firings. This burn will inject the Centaur stage and GOES-S spacecraft into an initial parking orbit.<\/figcaption><\/figure>\n<p><strong>T+0:12:11.1: Centaur Cutoff 1<\/strong><\/p>\n<figure id=\"attachment_30831\" aria-describedby=\"caption-attachment-30831\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30831\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco1.jpg\" alt=\"\" width=\"900\" height=\"511\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco1.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco1-300x170.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco1-768x436.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco1-678x385.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30831\" class=\"wp-caption-text\">The Centaur engine shuts down after arriving in a planned low-Earth parking orbit. The vehicle enters a 10-minute coast period before arriving at the required location in space for the second burn.<\/figcaption><\/figure>\n<p><strong>T+0:22:38.4:<\/strong><strong> Centaur Ignition 2<\/strong><\/p>\n<figure id=\"attachment_30832\" aria-describedby=\"caption-attachment-30832\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30832\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes2.jpg\" alt=\"\" width=\"900\" height=\"514\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes2.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes2-300x171.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes2-768x439.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes2-678x387.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30832\" class=\"wp-caption-text\">The Centaur re-ignites to accelerate the payload into a highly elliptical transfer orbit from the parking altitude achieved earlier in the launch sequence. This burn lasts five-and-a-half minutes.<\/figcaption><\/figure>\n<p><strong>T+0:28:09.3: Centaur Cutoff 2<\/strong><\/p>\n<figure id=\"attachment_30833\" aria-describedby=\"caption-attachment-30833\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30833\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco2.jpg\" alt=\"\" width=\"900\" height=\"501\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco2.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco2-300x167.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco2-768x428.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco2-678x377.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30833\" class=\"wp-caption-text\">The second Centaur firing places the GOES-S satellite into an elliptical transfer orbit stretching more than 20,000 miles above Earth, beginning a three-hour coast period for the mission\u2019s final orbital adjustment maneuver.<\/figcaption><\/figure>\n<p><strong>T+3:28:07.9: Centaur Ignition 3<\/strong><\/p>\n<figure id=\"attachment_30834\" aria-describedby=\"caption-attachment-30834\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30834\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes3.jpg\" alt=\"\" width=\"900\" height=\"511\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes3.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes3-300x170.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes3-768x436.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_mes3-678x385.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30834\" class=\"wp-caption-text\">After a three-hour coast, the Centaur\u2019s RL10 engine reignites for a roughly 95-second firing to raise the GOES-S satellite\u2019s perigee, or orbital low point, and reduce its inclination closer to the equator.<\/figcaption><\/figure>\n<p><strong>T+3:29:42.3: Centaur Cutoff 3<\/strong><\/p>\n<figure id=\"attachment_30835\" aria-describedby=\"caption-attachment-30835\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30835\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco3.jpg\" alt=\"\" width=\"900\" height=\"505\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco3.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco3-300x168.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco3-768x431.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/a5_meco3-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30835\" class=\"wp-caption-text\">The powered phase of flight is concluded as the Centaur reaches the planned geosynchronous transfer orbit with a perigee, or low point, of 5,104 miles (8,215 kilometers), an apogee, or high point, of 21,926 miles (35,286 kilometers), and an inclination of 9.52 degrees.<\/figcaption><\/figure>\n<p><strong>T+3:32:31.3: GOES-S Separation<\/strong><\/p>\n<figure id=\"attachment_30836\" aria-describedby=\"caption-attachment-30836\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-30836\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/goes_s_sep_anim.jpg\" alt=\"\" width=\"900\" height=\"504\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/goes_s_sep_anim.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/goes_s_sep_anim-300x168.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/goes_s_sep_anim-768x430.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2018\/03\/goes_s_sep_anim-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-30836\" class=\"wp-caption-text\">The Geostationary Operational Environmental Satellite-S, GOES-S, spacecraft deploys from the Centaur upper stage to begin its 15-year weather monitoring mission.<\/figcaption><\/figure>\n<p><b><i>Email the author.<\/i><\/b><\/p>\n<p><em><strong>Follow Stephen Clark on Twitter: @StephenClark1.<\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is the launch timeline to be followed by the Atlas 5 rocket\u2019s ascent into orbit from Cape Canaveral with the GOES-S weather satellite. Launch is scheduled for Thursday during a two-hour window opening at 5:02 p.m. EST (2202 GMT). The 197-foot-tall rocket will arc to the east from Florida\u2019s Space Coast on its second [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"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":[724,2959,1708,2960,2962,2206,472,975],"class_list":["post-13962","post","type-post","status-publish","format-standard","hentry","category-news","tag-atlas-5","tag-av-077","tag-complex-41","tag-goes","tag-goes-s","tag-launch-timeline","tag-lockheed-martin","tag-noaa"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/13962"}],"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=13962"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/13962\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=13962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=13962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=13962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}