{"id":14673,"date":"2017-04-30T00:36:20","date_gmt":"2017-04-29T16:36:20","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/falcon-9-flight-timeline-for-nrol-76-mission\/"},"modified":"2017-04-30T00:36:20","modified_gmt":"2017-04-29T16:36:20","slug":"falcon-9-flight-timeline-for-nrol-76-mission","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/falcon-9-flight-timeline-for-nrol-76-mission\/","title":{"rendered":"Falcon 9 flight timeline for NROL-76 mission"},"content":{"rendered":"<p>SpaceX\u2019s Falcon 9 booster is set for liftoff from Cape Canaveral on Sunday morning, but most of the launcher\u2019s ascent into orbit will be under a news blackout at the request of the National Reconnaissance Office, the secretive U.S. government intelligence agency whose mission is riding on the rocket.<\/p>\n<p>The 229-foot-tall (70-meter) rocket is poised for launch from pad 39A at NASA\u2019s Kennedy Space Center in Florida at 7 a.m. EDT (1100 GMT) Sunday at the opening of a two-hour launch window.<\/p>\n<p>The timeline of upper stage events after the release of the rocket\u2019s payload fairing, scheduled for T+plus 2 minutes, 48 seconds, has not been released. SpaceX\u2019s live coverage of the second stage\u2019s progress will conclude then at the NRO\u2019s request.<\/p>\n<p>Meanwhile, the rocket\u2019s first stage booster will flip around with the aid of cold gas thrusters, then reignite a subset of its engines for re-entry and landing burns, aiming for a vertical touchdown at Landing Zone 1 at Cape Canaveral Air Force Station, around 9 miles (15 kilometers) south of pad 39A.<\/p>\n<p><strong>Data source: SpaceX<\/strong><\/p>\n<p><b>T-0:00:00: Liftoff<\/b><\/p>\n<figure id=\"attachment_24341\" aria-describedby=\"caption-attachment-24341\" style=\"width: 641px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-24341\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/32915197674_5c98c2a5d8_k-2.jpg\" alt=\"\" width=\"641\" height=\"427\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/32915197674_5c98c2a5d8_k-2.jpg 675w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/32915197674_5c98c2a5d8_k-2-300x200.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/32915197674_5c98c2a5d8_k-2-30x20.jpg 30w\" sizes=\"(max-width: 641px) 100vw, 641px\"><figcaption id=\"caption-attachment-24341\" class=\"wp-caption-text\">After the rocket\u2019s nine Merlin engines pass an automated health check, hold-down clamps will release the Falcon 9 booster for liftoff from pad 39A.<\/figcaption><\/figure>\n<p><b>T+0:01:00: Mach 1<\/b><\/p>\n<figure id=\"attachment_24342\" aria-describedby=\"caption-attachment-24342\" style=\"width: 640px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-24342\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/IMG_0260-2-copy-678x924.jpg\" alt=\"\" width=\"640\" height=\"872\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/IMG_0260-2-copy-678x924.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/IMG_0260-2-copy-678x924-220x300.jpg 220w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/IMG_0260-2-copy-678x924-22x30.jpg 22w\" sizes=\"(max-width: 640px) 100vw, 640px\"><figcaption id=\"caption-attachment-24342\" class=\"wp-caption-text\">The Falcon 9 rocket reaches Mach 1, the speed of sound, as the nine Merlin 1D engines provide more than 1.7 million pounds of thrust.<\/figcaption><\/figure>\n<p><b>T+0:01:08: Max Q<\/b><\/p>\n<figure id=\"attachment_24343\" aria-describedby=\"caption-attachment-24343\" style=\"width: 641px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-24343\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/IMG_0269-2-copy-678x452.jpg\" alt=\"\" width=\"641\" height=\"427\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/IMG_0269-2-copy-678x452.jpg 678w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/IMG_0269-2-copy-678x452-300x200.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/IMG_0269-2-copy-678x452-30x20.jpg 30w\" sizes=\"(max-width: 641px) 100vw, 641px\"><figcaption id=\"caption-attachment-24343\" class=\"wp-caption-text\">The Falcon 9 rocket reaches Max Q, the point of maximum aerodynamic pressure.<\/figcaption><\/figure>\n<p><b>T+0:02:17: MECO<\/b><\/p>\n<figure id=\"attachment_13093\" aria-describedby=\"caption-attachment-13093\" style=\"width: 620px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13093\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9_meco-2.jpg\" alt=\"The Falcon 9\u2019s nine Merlin 1D engines shut down.\" width=\"620\" height=\"341\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9_meco-2.jpg 620w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9_meco-2-300x165.jpg 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\"><figcaption id=\"caption-attachment-13093\" class=\"wp-caption-text\">The Falcon 9\u2019s nine Merlin 1D engines shut down.<\/figcaption><\/figure>\n<p><b>T+0:02:20: Stage 1 Separation<\/b><\/p>\n<figure id=\"attachment_13094\" aria-describedby=\"caption-attachment-13094\" style=\"width: 620px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13094\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9_staging1.jpg\" alt=\"The Falcon 9\u2019s first stage separates from the second stage moments after MECO.\" width=\"620\" height=\"356\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9_staging1.jpg 620w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9_staging1-300x172.jpg 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\"><figcaption id=\"caption-attachment-13094\" class=\"wp-caption-text\">The Falcon 9\u2019s first stage separates from the second stage moments after MECO.<\/figcaption><\/figure>\n<p><b>T+0:02:28: Ignition of Second Stage<\/b><\/p>\n<figure id=\"attachment_13095\" aria-describedby=\"caption-attachment-13095\" style=\"width: 620px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-13095\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9_stage2_.jpg\" alt=\"The second stage Merlin 1D vacuum engine ignites for an approximately 6-minute burn to put the rocket and SES 9 into a preliminary parking orbit.\" width=\"620\" height=\"375\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9_stage2_.jpg 620w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9_stage2_-300x181.jpg 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\"><figcaption id=\"caption-attachment-13095\" class=\"wp-caption-text\">The second stage Merlin 1D vacuum engine ignites to place the NROL-76 payload into orbit.<\/figcaption><\/figure>\n<p><b>T+0:02:48: Fairing Jettison<\/b><\/p>\n<figure id=\"attachment_13096\" aria-describedby=\"caption-attachment-13096\" style=\"width: 620px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-13096\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9fairingjettison.jpg\" alt=\"The 5.2-meter (17.1-foot) diameter payload fairing jettisons once the Falcon 9 rocket ascends through the dense lower atmosphere. The 43-foot-tall fairing is made of two clamshell-like halves composed of carbon fiber with an aluminum honeycomb core.\" width=\"620\" height=\"373\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9fairingjettison.jpg 961w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9fairingjettison-300x180.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2016\/02\/f9fairingjettison-768x462.jpg 768w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\"><figcaption id=\"caption-attachment-13096\" class=\"wp-caption-text\">The 5.2-meter (17.1-foot) diameter payload fairing jettisons once the Falcon 9 rocket ascends through the dense lower atmosphere. The 43-foot-tall fairing is made of two clamshell-like halves composed of carbon fiber with an aluminum honeycomb core. The rest of the rocket\u2019s ascent into orbit will not be broadcast by SpaceX at the NRO\u2019s request, and further details about the mission timeline have not been released.<\/figcaption><\/figure>\n<p><b>T+0:07:09: Stage 1 Entry Burn<\/b><\/p>\n<figure id=\"attachment_23488\" aria-describedby=\"caption-attachment-23488\" style=\"width: 620px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23488\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/03\/stage1_entryburn_file.png\" alt=\"\" width=\"620\" height=\"464\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/03\/stage1_entryburn_file.png 620w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/03\/stage1_entryburn_file-300x225.png 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/03\/stage1_entryburn_file-30x22.png 30w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/03\/stage1_entryburn_file-326x245.png 326w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/03\/stage1_entryburn_file-80x60.png 80w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\"><figcaption id=\"caption-attachment-23488\" class=\"wp-caption-text\">A subset of the first stage\u2019s Merlin 1D engines ignite for an entry burn to slow down for landing. A final landing burn will occur just before touchdown.<\/figcaption><\/figure>\n<p><b>T+0:08:46: Stage 1 Landing<\/b><\/p>\n<figure id=\"attachment_24344\" aria-describedby=\"caption-attachment-24344\" style=\"width: 641px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-24344\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/32153432924_33db808b4e_k-2.jpg\" alt=\"\" width=\"641\" height=\"427\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/32153432924_33db808b4e_k-2.jpg 675w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/32153432924_33db808b4e_k-2-300x200.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2017\/04\/32153432924_33db808b4e_k-2-30x20.jpg 30w\" sizes=\"auto, (max-width: 641px) 100vw, 641px\"><figcaption id=\"caption-attachment-24344\" class=\"wp-caption-text\">The Falcon 9 rocket\u2019s first stage booster touches down at Landing Zone 1 at Cape Canaveral Air Force Station.<\/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>SpaceX\u2019s Falcon 9 booster is set for liftoff from Cape Canaveral on Sunday morning, but most of the launcher\u2019s ascent into orbit will be under a news blackout at the request of the National Reconnaissance Office, the secretive U.S. government intelligence agency whose mission is riding on the rocket. The 229-foot-tall (70-meter) rocket is poised [&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":[291,479,428,1950,1702,848,3302,311],"class_list":["post-14673","post","type-post","status-publish","format-standard","hentry","category-news","tag-commercial-space","tag-falcon-9","tag-kennedy-space-center","tag-landing-zone-1","tag-launch-pad-39a","tag-national-reconnaissance-office","tag-nrol-76","tag-reusability"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/14673"}],"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=14673"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/14673\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=14673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=14673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=14673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}