{"id":15250,"date":"2016-09-07T21:07:09","date_gmt":"2016-09-07T13:07:09","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/atlas-5-osiris-rex-launch-timeline\/"},"modified":"2016-09-07T21:07:09","modified_gmt":"2016-09-07T13:07:09","slug":"atlas-5-osiris-rex-launch-timeline","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/atlas-5-osiris-rex-launch-timeline\/","title":{"rendered":"Atlas 5\/OSIRIS-REx launch timeline"},"content":{"rendered":"<p>Follow the Atlas 5 rocket\u2019s ascent from Cape Canaveral\u2019s Complex 41 launch pad to send NASA\u2019s OSIRIS-REx on an interplanetary trajectory to intercept Asteroid Bennu and bring back a pristine sample. Launch is scheduled for Thursday at 7:05 p.m. EDT (2305 GMT).<\/p>\n<p>(Editor\u2019s note: Times will vary slightly depending on when liftoff occurs during the two-hour daily launch window.)<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/181701135\" width=\"640\" height=\"360\" frameborder=\"0\" webkitallowfullscreen=\"\" mozallowfullscreen=\"\" allowfullscreen=\"\"><\/iframe><\/p>\n<p><strong>T+00:01.1: Liftoff<\/strong><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/ASTRA1KR_front.jpg\" alt=\"AV-008\" width=\"678\" height=\"381\" class=\"aligncenter size-full wp-image-18238\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/ASTRA1KR_front.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/ASTRA1KR_front-300x169.jpg 300w\" sizes=\"(max-width: 678px) 100vw, 678px\"><br \/>\nThe United Launch Alliance Atlas 5 vehicle, designated AV-067, will lift off and begin a vertical rise away from Complex 41 at Cape Canaveral Air Force Station, Florida.<\/p>\n<p><strong>T+00:57: Mach 1 and Max Q<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/a5_411_astra1kr.jpg\" alt=\"a5_411_astra1kr\" width=\"656\" height=\"360\" class=\"aligncenter size-full wp-image-18239\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/a5_411_astra1kr.jpg 656w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/a5_411_astra1kr-300x165.jpg 300w\" sizes=\"(max-width: 656px) 100vw, 656px\"><br \/>\nThe Atlas rocket achieves Mach 1 some 57 seconds into the flight, then passes through the region of maximum dynamic pressure at 69 seconds.<\/p>\n<p><strong>T+02:19 Jettison SRB<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1829-1-1024x576.jpg\" alt=\"EyeTVSnapshot[1829]\" width=\"1024\" height=\"576\" class=\"aligncenter size-large wp-image-18241\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1829-1-1024x576.jpg 1024w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1829-1-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1829-1-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1829-1-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1829-1.jpg 1248w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><br \/>\nHaving burned out of propellant approximately 50 seconds earlier, the spent solid rocket booster is jettisoned once dynamic pressure conditions are satisfied.<\/p>\n<p><strong>T+04:03: Main Engine Cutoff<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1830-1024x576.jpg\" alt=\"EyeTVSnapshot[1830]\" width=\"1024\" height=\"576\" class=\"aligncenter size-large wp-image-18240\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1830-1024x576.jpg 1024w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1830-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1830-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1830-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1830.jpg 1248w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><br \/>\nThe RD-180 main engine completes its firing after consuming the load of RP-1 kerosene fuel and liquid oxygen supply in the Atlas first stage.<\/p>\n<p><strong>T+04:09: Stage Separation<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1847-1024x576.jpg\" alt=\"EyeTVSnapshot[1847]\" width=\"1024\" height=\"576\" class=\"aligncenter size-large wp-image-18227\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1847-1024x576.jpg 1024w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1847-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1847-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1847-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1847.jpg 1248w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><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>T+04:19: Centaur Ignition No. 1<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1848-1024x576.jpg\" alt=\"EyeTVSnapshot[1848]\" width=\"1024\" height=\"576\" class=\"aligncenter size-large wp-image-18228\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1848-1024x576.jpg 1024w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1848-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1848-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1848-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1848.jpg 1248w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><br \/>\nThe Centaur RL10 engine ignites for the longer of the two upper stage firings. This burn will inject the Centaur stage and OSIRIS-REx into an Earth parking orbit.<\/p>\n<p><strong>T+04:27: Nose Cone Jettison<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1849-1024x576.jpg\" alt=\"EyeTVSnapshot[1849]\" width=\"1024\" height=\"576\" class=\"aligncenter size-large wp-image-18230\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1849-1024x576.jpg 1024w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1849-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1849-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1849-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1849.jpg 1248w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><br \/>\nThe two-piece, 14-foot-diameter payload fairing that protected the OSIRIS-REx spacecraft during the atmospheric ascent is separated to reveal the satellite to space.<\/p>\n<p><strong>T+12:23: Centaur Engine Cutoff No. 1<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1850-1024x576.jpg\" alt=\"EyeTVSnapshot[1850]\" width=\"1024\" height=\"576\" class=\"aligncenter size-large wp-image-18231\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1850-1024x576.jpg 1024w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1850-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1850-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1850-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1850.jpg 1248w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><br \/>\nThe Centaur engine shuts down after arriving in its planned temporary orbit around the Earth. The vehicle enters a brief coast period before reaching at the required location in space for the second burn.<\/p>\n<p><strong>T+33:48: Centaur Ignition No. 2<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1851-1024x576.jpg\" alt=\"EyeTVSnapshot[1851]\" width=\"1024\" height=\"576\" class=\"aligncenter size-large wp-image-18232\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1851-1024x576.jpg 1024w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1851-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1851-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1851-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1851.jpg 1248w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><br \/>\nThe Centaur re-ignites to propel OSIRIS-REx on the outbound leg of its journey to Asteroid Bennu.<\/p>\n<p><strong>T+40:39: Centaur Engine Cutoff No. 2<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1854-1024x565.jpg\" alt=\"EyeTVSnapshot[1854]\" width=\"1024\" height=\"565\" class=\"aligncenter size-large wp-image-18234\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1854-1024x565.jpg 1024w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1854-300x166.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1854-768x424.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1854.jpg 1248w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><br \/>\nAt the conclusion of its second firing, the Centaur will have delivered the necessary velocity for OSIRIS-REx to achieve an Earth-escape trajectory.<\/p>\n<p><strong>T+55:39: Spacecraft Separation<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1853-1024x576.jpg\" alt=\"EyeTVSnapshot[1853]\" width=\"1024\" height=\"576\" class=\"aligncenter size-large wp-image-18235\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1853-1024x576.jpg 1024w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1853-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1853-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1853-678x381.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/09\/EyeTVSnapshot1853.jpg 1248w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><br \/>\nNASA\u2019s OSIRIS-REx asteroid sample return mission is released from the Centaur upper stage to begin its solo flight to Bennu, completing the AV-067 launch.<\/p>\n<p>See earlier OSIRIS-REx coverage.<\/p>\n<p>Our Atlas archive.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Follow the Atlas 5 rocket\u2019s ascent from Cape Canaveral\u2019s Complex 41 launch pad to send NASA\u2019s OSIRIS-REx on an interplanetary trajectory to intercept Asteroid Bennu and bring back a pristine sample. Launch is scheduled for Thursday at 7:05 p.m. EDT (2305 GMT). (Editor\u2019s note: Times will vary slightly depending on when liftoff occurs during the [&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":[3222,3428,724,3600,190,1527,750],"class_list":["post-15250","post","type-post","status-publish","format-standard","hentry","category-news","tag-ascent","tag-asteroid-bennu","tag-atlas-5","tag-av-067","tag-nasa","tag-osiris-rex","tag-united-launch-alliance"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/15250"}],"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=15250"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/15250\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=15250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=15250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=15250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}