{"id":12989,"date":"2019-08-22T21:55:31","date_gmt":"2019-08-22T13:55:31","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/delta-4-rockets-launch-timeline-with-gps-3-sv02\/"},"modified":"2019-08-22T21:55:31","modified_gmt":"2019-08-22T13:55:31","slug":"delta-4-rockets-launch-timeline-with-gps-3-sv02","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/delta-4-rockets-launch-timeline-with-gps-3-sv02\/","title":{"rendered":"Delta 4 rocket\u2019s launch timeline with GPS 3 SV02"},"content":{"rendered":"<p>A United Launch Alliance Delta 4 rocket will deliver the U.S. Air Force\u2019s second GPS 3-series navigation satellite into an elliptical transfer orbit nearly two hours after liftoff from Cape Canaveral.<\/p>\n<p>Liftoff is scheduled during a launch window opening at 9:00:30 a.m. EDT (1300:30 GMT) Thursday. The window extends to 9:27 a.m. EDT (1327 GMT).<\/p>\n<p>See our Mission Status Center for live updates on the countdown and flight.<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/8nbMUMqeBKM\" width=\"678\" height=\"381\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><\/iframe><\/p>\n<p><strong>T+00:00:00 \u2014 Liftoff<\/strong><\/p>\n<figure id=\"attachment_40380\" aria-describedby=\"caption-attachment-40380\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-40380\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4liftofftimeline.jpg\" alt=\"\" width=\"900\" height=\"473\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4liftofftimeline.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4liftofftimeline-300x158.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4liftofftimeline-768x404.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4liftofftimeline-678x356.jpg 678w\" sizes=\"(max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-40380\" class=\"wp-caption-text\">The United Launch Alliance Delta 4 rocket takes off powered by an Aerojet Rocketdyne RS-68A main engine and two solid rocket boosters built by Northrop Grumman Innovation Systems. The hydrogen-burning main engine ignites at T-minus 5 seconds, following by ignition of the two boosters at T-minus 0, the release of four hold-down bolts and retraction of the launch pad\u2019s three swing arms.<\/figcaption><\/figure>\n<p><strong>T+00:00:58.5 \u2014 Max-Q<\/strong><\/p>\n<figure id=\"attachment_40381\" aria-describedby=\"caption-attachment-40381\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-40381\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4maxq.jpg\" alt=\"\" width=\"900\" height=\"474\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4maxq.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4maxq-300x158.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4maxq-768x404.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4maxq-678x357.jpg 678w\" sizes=\"(max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-40381\" class=\"wp-caption-text\">Heading northeast from Cape Canaveral on an azimuth of roughly 60 degrees, the Delta 4 surpasses the speed of sound at T+plus 42 seconds, then experiences the most extreme aerodynamic pressures of the mission at T+plus 58.5 seconds.<\/figcaption><\/figure>\n<p><strong>T+00:01:40.0 \u2014 Solid Rocket Motor Separation<\/strong><\/p>\n<figure id=\"attachment_40382\" aria-describedby=\"caption-attachment-40382\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-40382\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_srmjettison.jpg\" alt=\"\" width=\"900\" height=\"507\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_srmjettison.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_srmjettison-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_srmjettison-768x433.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_srmjettison-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-40382\" class=\"wp-caption-text\">The Delta 4\u2019s two GEM-60 solid rocket boosters are jettisoned in two pairs around seven seconds after consuming all their propellant.<\/figcaption><\/figure>\n<p><strong>T+00:03:55.9 \u2014 Booster Engine Cutoff<\/strong><\/p>\n<figure id=\"attachment_40383\" aria-describedby=\"caption-attachment-40383\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-40383\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_beco.jpg\" alt=\"\" width=\"900\" height=\"504\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_beco.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_beco-300x168.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_beco-768x430.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_beco-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-40383\" class=\"wp-caption-text\">The Delta 4\u2019s RS-68A main engine shuts down after burning its supply of super-cold liquid hydrogen and liquid oxygen.<\/figcaption><\/figure>\n<p><strong>T+00:04:02.4 \u2014 Stage Separation<\/strong><\/p>\n<figure id=\"attachment_40384\" aria-describedby=\"caption-attachment-40384\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-40384\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_staging.jpg\" alt=\"\" width=\"900\" height=\"509\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_staging.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_staging-300x170.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_staging-768x434.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_staging-678x383.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-40384\" class=\"wp-caption-text\">The Delta 4\u2019s Common Booster Core separates from the rocket\u2019s second stage.<\/figcaption><\/figure>\n<p><strong>T+00:04:16.9 \u2014 First Second Stage Ignition<\/strong><\/p>\n<figure id=\"attachment_40385\" aria-describedby=\"caption-attachment-40385\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-40385\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_mes1.jpg\" alt=\"\" width=\"900\" height=\"503\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_mes1.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_mes1-300x168.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_mes1-768x429.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_mes1-678x379.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-40385\" class=\"wp-caption-text\">The Delta 4\u2019s second stage Aerojet Rocketdyne RL10B-2 engine ignites and powers up to 24,750 pounds of thrust in the first of its two firings to place the GPS 3 SV02 satellite into a MEO transfer orbit.<\/figcaption><\/figure>\n<p><strong>T+00:04:26.9 \u2014 Payload Fairing Jettison<\/strong><\/p>\n<figure id=\"attachment_40386\" aria-describedby=\"caption-attachment-40386\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-40386\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_fairingjett.jpg\" alt=\"\" width=\"900\" height=\"509\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_fairingjett.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_fairingjett-300x170.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_fairingjett-768x434.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_fairingjett-678x383.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-40386\" class=\"wp-caption-text\">The Delta 4\u2019s composite bisector fairing jettisons from the rocket once the launcher reaches a safe altitude above the dense lower layers of Earth\u2019s atmosphere.<\/figcaption><\/figure>\n<p><strong>T+00:13:33.1 \u2014 First Second Stage Engine Shutdown<\/strong><\/p>\n<figure id=\"attachment_40387\" aria-describedby=\"caption-attachment-40387\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-40387\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_meco1.jpg\" alt=\"\" width=\"900\" height=\"506\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_meco1.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_meco1-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_meco1-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_meco1-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-40387\" class=\"wp-caption-text\">The second stage\u2019s RL10B-2 engine shuts down after placing the GPS 3 SV02 satellite in a preliminary parking orbit, beginning a 53-minute coast before the engine reignites.<\/figcaption><\/figure>\n<p><strong>T+01:06:47.3 \u2014 Second Stage Engine Restart<\/strong><\/p>\n<figure id=\"attachment_40388\" aria-describedby=\"caption-attachment-40388\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-40388\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_mes2.jpg\" alt=\"\" width=\"900\" height=\"508\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_mes2.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_mes2-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_mes2-768x433.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_mes2-678x383.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-40388\" class=\"wp-caption-text\">The RL10B-2 second stage engine ignites again for a three-and-a-half-minute burn to send the GPS 3 SV02 spacecraft into a higher, elliptical transfer orbit.<\/figcaption><\/figure>\n<p><strong>T+01:10:14.6 \u2014 Second Stage Engine Shutdown<\/strong><\/p>\n<figure id=\"attachment_40389\" aria-describedby=\"caption-attachment-40389\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-40389\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_meco2.jpg\" alt=\"\" width=\"900\" height=\"506\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_meco2.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_meco2-300x169.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_meco2-768x432.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4_meco2-678x381.jpg 678w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\"><figcaption id=\"caption-attachment-40389\" class=\"wp-caption-text\">The Delta 4\u2019s second stage engine shuts down after placing the GPS 3 SV02 spacecraft in a transfer orbit ranging between 745 miles (1,200 kilometers) and 12,542 miles (20,185 kilometers) above Earth, with an orbital plane tilted 55 degrees to the equator.<\/figcaption><\/figure>\n<p><strong>T+01:55:26.6 \u2014 GPS 3 SV02 \u201cMagellan\u201d Separation<\/strong><\/p>\n<figure id=\"attachment_40390\" aria-describedby=\"caption-attachment-40390\" style=\"width: 878px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-40390\" src=\"http:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4gpssep.jpg\" alt=\"\" width=\"878\" height=\"493\" srcset=\"https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4gpssep.jpg 900w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4gpssep-300x168.jpg 300w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4gpssep-768x431.jpg 768w, https:\/\/spaceflightnow.com\/wp-content\/uploads\/2019\/08\/d4gpssep-678x381.jpg 678w\" sizes=\"auto, (max-width: 878px) 100vw, 878px\"><figcaption id=\"caption-attachment-40390\" class=\"wp-caption-text\">The Lockheed Martin-built GPS 3 SV02 spacecraft, nicknamed \u201cMagellan,\u201d separates from the Delta 4\u2019s second stage.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A United Launch Alliance Delta 4 rocket will deliver the U.S. Air Force\u2019s second GPS 3-series navigation satellite into an elliptical transfer orbit nearly two hours after liftoff from Cape Canaveral. Liftoff is scheduled during a launch window opening at 9:00:30 a.m. EDT (1300:30 GMT) Thursday. The window extends to 9:27 a.m. EDT (1327 GMT). [&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":[1962,2544,1688,2015,1096,2545,2206,472],"class_list":["post-12989","post","type-post","status-publish","format-standard","hentry","category-news","tag-complex-37","tag-delta-384","tag-delta-4","tag-gps","tag-gps-3","tag-gps-3-2","tag-launch-timeline","tag-lockheed-martin"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/12989"}],"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=12989"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/12989\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=12989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=12989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=12989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}