{"id":14715,"date":"2017-04-17T22:55:14","date_gmt":"2017-04-17T14:55:14","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/timeline-atlas-5-oa-7-cygnus-ascent-events\/"},"modified":"2017-04-17T22:55:14","modified_gmt":"2017-04-17T14:55:14","slug":"timeline-atlas-5-oa-7-cygnus-ascent-events","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/timeline-atlas-5-oa-7-cygnus-ascent-events\/","title":{"rendered":"Timeline: Atlas 5\/OA-7 Cygnus ascent events"},"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 commercial Orbital ATK Cygnus cargo freighter headed to the International Space Station. Launch is scheduled for Tuesday at 11:11 a.m. EDT (1511 GMT).<\/p>\n<p><strong>T+00:01.1 Liftoff<\/strong><br \/>\n<img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/011-678x503.jpg\" alt=\"\" width=\"678\" height=\"503\" class=\"aligncenter size-large wp-image-23905\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/011-678x503.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/011-300x223.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/011-768x570.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/011-30x22.jpg 30w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/011-80x60.jpg 80w\" sizes=\"(max-width: 678px) 100vw, 678px\"><br \/>\nWith 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.<\/p>\n<p><strong>T+01:33.6: Max Q<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/maxq-678x381.jpg\" alt=\"\" width=\"678\" height=\"381\" class=\"aligncenter size-large wp-image-23932\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/maxq-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/maxq-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/maxq-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/maxq-30x17.jpg 30w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/maxq.jpg 1280w\" sizes=\"(max-width: 678px) 100vw, 678px\"><br \/>\nThe Atlas rocket, after breaking the sound barrier at 82.5 seconds, passes through the region of maximum dynamic pressure during ascent through the lower atmosphere.<\/p>\n<p><strong>T+04:15.6 Booster Engine Cutoff<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/beco-678x381.jpg\" alt=\"\" width=\"678\" height=\"381\" class=\"aligncenter size-large wp-image-23936\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/beco-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/beco-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/beco-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/beco-30x17.jpg 30w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/beco.jpg 1280w\" sizes=\"(max-width: 678px) 100vw, 678px\"><br \/>\nThe RD-180 main engine completes its firing after consuming its kerosene and liquid oxygen fuel supply in the Atlas first stage.<\/p>\n<p><strong>T+04:21.6 Stage Separation<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/staging-678x381.jpg\" alt=\"\" width=\"678\" height=\"381\" class=\"aligncenter size-large wp-image-23935\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/staging-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/staging-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/staging-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/staging-30x17.jpg 30w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/staging.jpg 1280w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\"><br \/>\nThe 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.<\/p>\n<p><strong>+04:31.6 Centaur Ignition 1<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/mes1-678x381.jpg\" alt=\"\" width=\"678\" height=\"381\" class=\"aligncenter size-large wp-image-23934\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/mes1-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/mes1-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/mes1-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/mes1-30x17.jpg 30w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/mes1.jpg 1280w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\"><br \/>\nThe Centaur RL10C-1 engine ignites propel the 8-ton Orbital ATK Cygnus resupply vessel into orbit for a rendezvous with the International Space Station.<\/p>\n<p><strong>T+04:39.6 Nose Cone Jettison<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/fairing-678x381.jpg\" alt=\"\" width=\"678\" height=\"381\" class=\"aligncenter size-large wp-image-23933\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/fairing-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/fairing-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/fairing-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/fairing-30x17.jpg 30w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/fairing.jpg 1280w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\"><br \/>\nThe payload fairing that protected the OA-7 Cygnus spacecraft during launch is separated after passage through the atmosphere.<\/p>\n<p><strong>T+18:12.0 Centaur Cutoff 1<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/meco1-678x381.jpg\" alt=\"\" width=\"678\" height=\"381\" class=\"aligncenter size-large wp-image-23937\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/meco1-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/meco1-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/meco1-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/meco1-30x17.jpg 30w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/meco1.jpg 1280w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\"><br \/>\nThe Centaur engine shuts down after arriving in the planned 143-statute-mile circular orbit inclined at 51.6 degrees to begin its pursuit of the space station.<\/p>\n<p><strong>T+21:01.1 Spacecraft Separation<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/sep-678x381.jpg\" alt=\"\" width=\"678\" height=\"381\" class=\"aligncenter size-large wp-image-23938\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/sep-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/sep-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/sep-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/sep-30x17.jpg 30w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/sep.jpg 1280w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\"><br \/>\nThe Orbital ATK OA-7 Cygnus cargo craft is released into orbit from the Centaur upper stage to complete the launch.<\/p>\n<p>After performing its mission, the upper stage will perform an 11-second deorbit burn 27 minutes after spacecraft separation. Any debris surviving reentry will impact the ocean south of Australia about 67 minutes after launch.<\/p>\n<p><iframe loading=\"lazy\" width=\"678\" height=\"381\" src=\"https:\/\/www.youtube.com\/embed\/4uZey0zVuj4?feature=oembed\" frameborder=\"0\" allowfullscreen=\"\"><\/iframe><\/p>\n<p>See earlier OA-7 Cygnus coverage.<\/p>\n<p>Our Atlas archive.<\/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 commercial Orbital ATK Cygnus cargo freighter headed to the International Space Station. Launch is scheduled for Tuesday at 11:11 a.m. EDT (1511 GMT). T+00:01.1 Liftoff With the RD-180 main engine running, the Atlas 5 [&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":[3222,724,3288,639,717,3289,3290,2899],"class_list":["post-14715","post","type-post","status-publish","format-standard","hentry","category-news","tag-ascent","tag-atlas-5","tag-av-070","tag-cygnus","tag-international-space-station","tag-john-glenn","tag-oa-7","tag-orbital-atk"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/14715"}],"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=14715"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/14715\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=14715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=14715"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=14715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}