Spaceflight Now



Ascent Timeline and Abort Boundaries
COMPILED BY WILLIAM HARWOOD
Updated: May 15, 2011


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T+.......Thrust...Alt (ft)..Alt (sm).Mach.....Vel (i)....Gs.....Range

00:00....100.0........-23....0.0.....0.0........914.4....0.3....0.0
00:10....104.5........796....0.2.....0.2........922.6....1.7....0.0
00:20....104.5......4,084....0.8.....0.4......1,029.6....1.9....0.1
00:30....104.5......9,397....1.8.....0.7......1,165.3....1.9....0.5
00:40....72.0......17,580....3.3.....0.9......1,311.3....1.7....1.1
00:50....74.0......26,604....5.0.....1.1......1,438.8....1.7....2.0

01:00....104.5.....37,090....7.0.....1.5......1,603.8....2.1....3.2
01:10....104.5.....50,977....9.7.....2.0......1,863.6....2.3....4.9
01:20....104.5.....66,015....12.5....2.4......2,190.9....2.5....7.0
01:30....104.5.....85,061....16.1....3.0......2,600.7....2.5....10.3
01:40....104.5....104,251....19.7....3.5......2,992.8....2.5....14.2
01:50....104.5....126,969....24.0....4.0......3,415.5....2.1....19.6

02:00....104.5....148,051....28.0....4.1......3,596.2....0.9....25.2
02:10....104.5....168,810....32.0....4.2......3,704.6....1.0....31.4
02:20....104.5....187,797....35.6....4.5......3,830.8....1.0....37.8
02:30....104.5....207,394....39.3....4.8......3,983.5....1.0....45.3
02:40....104.5....224,037....42.4....5.2......4,132.9....1.1....52.5
02:50....104.5....241,070....45.7....5.5......4,308.1....1.1....60.9

03:00....104.5....255,414....48.4....5.9......4,477.9....1.1....69.0
03:10....104.5....269,962....51.1....6.3......4,676.3....1.1....78.4
03:20....104.5....282,092....53.4....6.8......4,865.9....1.2....87.5
03:30....104.5....293,195....55.5....7.2......5,063.6....1.2....97.0
03:40....104.5....304,260....57.6....7.4......5,290.7....1.2....108.1
03:50....104.5....313,306....59.3....7.6......5,506.9....1.2....118.6

04:00....104.5....322,171....61.0....7.8......5,755.1....1.3....130.9
04:10....104.5....329,270....62.4....8.1......5,991.7....1.3....142.6
04:20....104.5....335,483....63.5....8.3......6,237.8....1.4....154.8
04:30....104.5....341,325....64.6....8.5......6,520.1....1.4....169.0
04:40....104.5....345,766....65.5....8.8......6,788.1....1.4....182.5
04:50....104.5....349,732....66.2....9.1......7,095.0....1.5....198.1

05:00....104.5....352,540....66.8....9.4......7,386.8....1.5....213.0
05:10....104.5....354,800....67.2....9.9......7,720.9....1.6....230.1
05:20....104.5....356,144....67.5....10.3.....8,038.0....1.7....246.5
05:30....104.5....356,854....67.6....10.7.....8,368.7....1.7....263.5
05:40....104.5....356,956....67.6....11.3.....8,748.5....1.8....283.2
05:50....104.5....356,483....67.5....11.8.....9,110.6....1.9....302.0

06:00....104.5....355,421....67.3....12.4.....9,525.8....1.9....323.6
06:10....104.5....354,106....67.1....13.0.....9,920.7....2.0....344.1
06:20....104.5....352,582....66.8....13.6....10,333.9....2.1....365.6
06:30....104.5....350,664....66.4....14.4....10,815.3....2.2....390.4
06:40....104.5....348,650....66.0....15.2....11,276.9....2.3....414.0
06:50....104.5....346,242....65.6....16.1....11,814.2....2.5....441.2

07:00....104.5....343,993....65.2....17.0....12,331.1....2.6....467.2
07:10....104.5....341,608....64.7....18.0....12,934.6....2.8....497.1
07:20....104.5....339,658....64.3....19.0....13,519.6....2.9....525.7
07:30....100.0....338,075....64.0....20.0....14,127.9....3.0....555.7
07:40....92.0.....336,896....63.8....21.0....14,797.5....3.0....590.3
07:50....87.0.....336,418....63.7....22.0....15,407.1....3.0....623.2

08:00....81.0.....336,691....63.8....23.0....16,079.4....3.0....661.0
08:10....76.0.....337,814....64.0....23.8....16,689.0....3.0....696.8
08:20....67.0.....340,036....64.4....24.6....17,329.3....2.8....736.6
08:30....67.0.....343,111....65.0....24.7....17,602.0....0.0....776.3
08:31....67.0.....343,421....65.0....24.7....17,602.7....0.0....780.1
08:32....67.0.....343,730....65.1....24.7....17,602.7....0.0....784.0
08:33....67.0.....344,040....65.2....24.7....17,602.7....0.0....787.9
08:34....67.0.....344,350....65.2....24.6....17,602.7....0.0....791.7
08:35....67.0.....344,648....65.3....24.6....17,602.7....0.0....795.4

Abort Boundaries


EDT..........T+........EVENT...................VELOCITY (inertial):..MPH

RETURN-TO-LAUNCH-SITE ABORT ONLY

8:56:28 AM...T+00:00...LAUNCH
8:56:39 AM...T+00:11...START ROLL MANEUVER...........................927
8:56:46 AM...T+00:18...END ROLL MANEUVER...........................1,002
8:57:02 AM...T+00:34...START THROTTLE DOWN (72%)...................1,221
8:57:17 AM...T+00:49...START THROTTLE UP (104.5%)..................1,425
8:57:30 AM...T+01:02...MAX Q (754 psf).............................1,664
8:58:31 AM...T+02:03...SRB STAGING.................................3,621
8:58:41 AM...T+02:13...START OMS ASSIST (1:09 duration)............3,744

TRANS-ATLANTIC ABORT (TAL) AVAILABLE

8:59:01 AM...T+02:33...2E TAL MORON (104.5%, 2s)...................4,023
8:59:07 AM...T+02:39...2E TAL ZARAGOZA (104.5%, 2s)................4,091
8:59:18 AM...T+02:50...2E TAL ISTRES (104.5%, 2s)..................4,228
9:00:22 AM...T+03:54...NEGATIVE RETURN (KSC) (104.5%, 3s)..........5,523

ABORT TO ORBIT (ATO) AVAILABLE

9:01:30 AM...T+05:02...PRESS TO ATO (104.5%, 2s, 160 u/s)..........7,432
9:01:52 AM...T+05:24...DROOP ZARAGOZA (109%,0s)....................8,183
9:01:58 AM...T+05:30...1E OPS-3 ZARAGOZA (109%,0s,2EO SIMO)........8,387
9:02:15 AM...T+05:47...ROLL TO HEADS UP............................9,001
9:02:28 AM...T+06:00...1E TAL ZARAGOZA (104.5%,2s,2EO SIMO)........9,546

PRESS TO NORMAL ORBIT

9:02:32 AM...T+06:04...PRESS TO MECO (104.5%, sigs, fps 160 u/s)...9,683
9:02:32 AM...T+06:04...1E TAL MORON(109%,0s,2EO SEQ,1st EO @VI)...10,978
9:02:32 AM...T+06:04...1E TAL ISTRES (109%,0s,2EO SEQ,1st EO @VI).11,456
9:03:22 AM...T+06:54...1E PRESS-TO-MECO (104.5%, 2s, 625 u/s).....12,069
9:03:48 AM...T+07:20...NEGATIVE MORON (2@67%).....................13,501
9:03:50 AM...T+07:22... 3G LIMITING...............................13,638
9:04:09 AM...T+07:41...LAST 2E PRE-MECO TAL ZARAGOZA (67%)........14,865
9:04:09 AM...T+07:41...NEGATIVE ISTRES (2@67%)....................14,865
9:04:16 AM...T+07:48...LAST 1E PRE-MECO TAL ZARAGOZA (104.5%).....15,342
9:04:22 AM...T+07:54...23K........................................15,683
9:04:22 AM...T+07:54...LAST 3 ENG PRE-MECO TAL ZARAGOZA (67%).....15,683
9:04:57 AM...T+08:29...ZERO THRUST................................17,606