Spaceflight Now



Ascent Timeline and Abort Boundaries
COMPILED BY WILLIAM HARWOOD
Updated: February 23, 2011


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MM:SS...THRUST...ALT ft.ALT sm....MACH....Vint......Gs.....RANGE sm

00:00...100.0.......-23....0.0....0.0......914.4...0.3.....0.0
00:10...104.5.......798....0.2....0.2......922.6...1.7.....0.0
00:20...104.5.....4,093....0.8....0.4....1,030.3...1.9.....0.1
00:30...104.5.....9,413....1.8....0.7....1,169.4...1.9.....0.5
00:40....72.0....17,579....3.3....0.9....1,318.8...1.7.....1.1
00:50....77.0....26,566....5.0....1.1....1,448.3...1.7.....2.0

01:00...104.5....37,021....7.0....1.5....1,614.7...2.1.....3.2
01:10...104.5....50,897....9.6....2.0....1,874.5...2.4.....5.0
01:20...104.5....65,940...12.5....2.5....2,202.5...2.5.....7.1
01:30...104.5....84,980...16.1....3.0....2,612.3...2.5....10.4
01:40...104.5...104,158...19.7....3.5....3,004.4...2.5....14.4
01:50...104.5...126,860...24.0....3.9....3,425.8...2.1....19.7

02:00...104.5...147,912...28.0....4.0....3,603.0...0.9....25.4
02:10...104.5...168,629...31.9....4.1....3,710.8...1.0....31.7
02:20...104.5...187,578...35.5....4.3....3,837.6...1.0....38.1
02:30...104.5...207,137...39.2....4.6....3,989.7...1.0....45.6
02:40...104.5...223,748...42.4....5.1....4,139.0...1.1....52.8
02:50...104.5...240,750...45.6....5.6....4,314.9...1.1....61.2

03:00...104.5...255,070...48.3....5.9....4,484.7...1.1....69.3
03:10...104.5...269,596...51.1....6.4....4,682.5...1.1....78.8
03:20...104.5...281,708...53.4....6.8....4,872.0...1.2....87.9
03:30...104.5...292,798...55.5....7.2....5,068.4...1.2....97.4
03:40...104.5...303,856...57.5....7.4....5,295.5...1.2...108.5
03:50...104.5...312,898...59.3....7.6....5,511.6...1.2...119.0

04:00...104.5...321,763...60.9....7.9....5,759.8...1.3...131.3
04:10...104.5...328,865...62.3....8.1....5,995.8...1.3...143.0
04:20...104.5...335,082...63.5....8.3....6,241.9...1.4...155.3
04:30...104.5...340,931...64.6....8.5....6,524.2...1.4...169.4
04:40...104.5...345,381...65.4....8.8....6,791.5...1.4...183.0
04:50...104.5...349,360...66.2....9.1....7,099.0...1.5...198.6

05:00...104.5...352,181...66.7....9.5....7,390.2...1.5...213.5
05:10...104.5...354,458...67.1....9.9....7,723.6...1.6...230.6
05:20...104.5...355,819...67.4...10.3....8,040.7...1.7...247.0
05:30...104.5...356,548...67.5...10.7....8,371.4...1.7...264.0
05:40...104.5...356,672...67.6...11.3....8,751.2...1.8...283.7
05:50...104.5...356,220...67.5...11.8....9,112.6...1.9...302.5

06:00...104.5...355,183...67.3...12.4....9,527.9...1.9...324.1
06:10...104.5...353,892...67.0...13.0....9,922.0...2.0...344.7
06:20...104.5...352,391...66.7...13.7...10,334.6...2.1...366.2
06:30...104.5...350,499...66.4...14.4...10,816.0...2.2...390.9
06:40...104.5...348,508...66.0...15.2...11,277.6...2.3...414.5
06:50...104.5...346,126...65.6...16.1...11,814.2...2.5...441.7

07:00...104.5...343,898...65.1...17.0...12,330.4...2.6...467.7
07:10...104.5...341,536...64.7...18.0...12,933.9...2.8...497.7
07:20...104.5...339,604...64.3...19.0...13,518.3...2.9...526.3
07:30...100.0...338,036...64.0...20.0...14,125.8...3.0...556.2
07:40....93.0...336,872...63.8...21.0...14,796.8...3.0...590.8
07:50....87.0...336,411...63.7...22.0...15,407.1...3.0...623.7

08:00....81.0...336,691...63.8...23.0...16,078.7...3.0...661.5
08:10....77.0...337,817...64.0...23.8...16,691.0...3.0...697.3
08:20....67.0...340,038...64.4...24.6...17,327.9...2.8...737.1
08:30....67.0...343,113...65.0...24.7...17,602.0...0.0...776.8
08:31....67.0...343,422...65.0...24.7...17,602.7...0.0...780.7
08:32....67.0...343,732...65.1...24.7...17,602.7...0.0...784.5
08:33....67.0...344,042...65.2...24.7...17,603.4...0.0...788.4

Abort Boundaries


EST..........T+........EVENT......................VELOCITY inertial:..MPH

Return-to-launch-site (RTLS) abort option available

4:50:27 PM...T+00:00...LAUNCH
4:50:38 PM...T+00:11...START ROLL MANEUVER.........................927
4:50:45 PM...T+00:18...END ROLL MANEUVER.........................1,002
4:51:07 PM...T+00:40...START THROTTLE DOWN (72%).................1,316
4:51:20 PM...T+00:53...START THROTTLE UP (104.5%)................1,493
4:51:28 PM...T+01:01...MAX Q (747 psf)...........................1,657
4:52:30 PM...T+02:03...SRB STAGING...............................3,628
4:52:40 PM...T+02:13...START OMS ASSIST (2:32 duration)..........3,750

Trans-Atlantic landing (TAL) abort option available

4:53:03 PM...T+02:36...2E TAL MORON (104.5%, 2s).................4,023
4:53:08 PM...T+02:41...2E TAL ZARAGOZA (104.5%, 2s)..............4,091
4:53:19 PM...T+02:52...2E TAL ISTRES (104.5%, 2s)................4,296
4:54:21 PM...T+03:54...NEGATIVE RETURN (KSC) (104.5%, 3s)........5,523

Orbit to orbit (ATO) option available

4:55:35 PM...T+05:08...PRESS TO ATO (104.5%, 2s, 160 fps u/s)....7,569
4:55:50 PM...T+05:23...DROOP ZARAGOZA (109%,0s)..................8,114
4:55:55 PM...T+05:28...ROLL TO HEADS UP..........................8,319
4:55:57 PM...T+05:30...1E OPS-3 ZARAGOZA (109%,0s,2EO SIMO)......8,387
4:56:29 PM...T+06:02...1E TAL ZARAGOZA (104.5%,2s,2EO SIMO)......9,546

Nominal orbit available with one engine out

4:56:40 PM...T+06:13...PRESS TO MECO (104.5%,180 fps u/s).......10,024
4:56:40 PM...T+06:13...1E TAL MORON(109%,0s,2EO SEQ,1st EO @VI).10,978
4:56:40 PM...T+06:13...1E TAL ISTRES (109%,2EO SEQ,1st EO @VI)..11,387
4:57:23 PM...T+06:56...1E PRESS-TO-MECO (104.5%, 576 fps u/s)...12,137
4:57:47 PM...T+07:20...NEGATIVE MORON (2@67%)...................13,501
4:58:08 PM...T+07:41...LAST 2E PRE-MECO TAL ZARAGOZA (67%)......14,865
4:58:08 PM...T+07:41...NEGATIVE ISTRES (2@67%)..................14,865
4:58:15 PM...T+07:48...LAST 1E PRE-MECO TAL ZARAGOZA (104.5%)...15,342
4:58:21 PM...T+07:54...23K......................................15,683
4:58:21 PM...T+07:54...LAST 3E PRE-MECO TAL ZARAGOZA (67%)......15,683
4:58:46 PM...T+08:19...LAST TAL DIEGO GARCIA....................17,252
4:58:51 PM...T+08:24...MECO COMMANDED...........................17,592
4:59:00 PM...T+08:33...ZERO THRUST..............................17,606