Spaceflight Now



STS-127 Ascent Timeline and Abort Boundaries
COMPILED BY WILLIAM HARWOOD
Updated: July 14, 2009


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MM:SS...THRUST..ALT..,MACH...VEL,......VELi.......Gs....RANGE (sm)

00:00...100.0...0.0...0.0....0.0.......914.4......0.3...0.0
00:10...104.5...0.1...0.2....125.5.....922.6......1.7...0.0
00:20...104.5...0.8...0.4....306.2.....1,030.3....1.9...0.1
00:30...104.5...1.7...0.7....491.6.....1,170.8....1.8...0.5
00:40...72.0....3.3...0.9....667.6.....1,320.8....1.7...1.1
00:50...104.5...4.9...1.1....813.5.....1,455.1....1.8...2.1
01:00...104.5...6.9...1.5....993.5.....1,618.8....2.0...3.2

01:00...104.5...7.1...1.5....1,014.6...1,637.9....2.1...3.4
01:20...104.5..12.3...2.4....1,579.2...2,190.2....2.5...7.1
01:30...104.5..15.9...3.0....1,974.0...2,596.6....2.5...10.4
01:40...104.5..19.5...3.4....2,353.2...2,986.6....2.5...14.3
01:50...104.5..23.8...3.9....2,767.7...3,412.8....2.2...19.6
02:00...104.5..27.8...4.1....2,958.7...3,615.3....0.9...25.3

02:10...104.5..31.8...4.2....3,053.5...3,722.4....1.0...31.5
02:20...104.5..35.8...4.4....3,180.3...3,862.2....1.0...38.6
02:30...104.5..39.1...4.7....3,309.8...4,001.9....1.0...45.5
02:40...104.5..42.3...5.2....3,452.4...4,152.0....1.1...52.7
02:50...104.5..45.6...5.6....3,621.5...4,329.2....1.1...61.2
03:00...104.5..48.3...5.9....3,787.8...4,499.7....1.1...69.3

03:10...104.5..51.1...6.4....3,982.9...4,698.8....1.1...78.8
03:20...104.5..53.4...6.8....4,171.1...4,889.8....1.2...87.9
03:30...104.5..55.5...7.2....4,367.4...5,088.2....1.2...97.5
03:40...104.5..57.6...7.5....4,594.5...5,316.6....1.2...108.6
03:50...104.5..59.3...7.6....4,812.0...5,533.4....1.3...119.3
04:00...104.5..61.0...7.9....5,063.0...5,783.7....1.3...131.6

04:10...104.5..62.4...8.1....5,300.9...6,021.7....1.3...143.3
04:20...104.5..63.6...8.3....5,549.8...6,269.2....1.4...155.7
04:30...104.5..64.7...8.6....5,835.5...6,553.5....1.4...169.9
04:40...104.5..65.5...8.8....6,106.9...6,822.9....1.5...183.5
04:50...104.5..66.3...9.2....6,418.5...7,131.8....1.5...199.2
05:00...104.5..66.8...9.5....6,713.8...7,425.0....1.6...214.1

05:10...104.5..67.2...9.9....7,052.7...7,761.1....1.6...231.4
05:20...104.5..67.5...10.3...7,374.5...8,080.3....1.7...247.8
05:30...104.5..67.6...10.8...7,710.0...8,413.0....1.7...265.0
05:40...104.5..67.6...11.3...8,095.3...8,795.6....1.8...284.8
05:50...104.5..67.5...11.9...8,462.1...9,159.7....1.9...303.7
06:00...104.5..67.3...12.5...8,883.5...9,577.7....2.0...325.4

06:10...104.5..67.1...13.1...9,283.8...9,974.5....2.0...346.1
06:20...104.5..66.8...13.7...9,702.5...10,390.5...2.1...367.7
06:30...104.5..66.4...14.5...10,191.4..10,876.0...2.2...392.6
06:40...104.5..66.0...15.3...10,659.8..11,341.0...2.4...416.3
06:50...104.5..65.5...16.2...11,204.6..11,882.4...2.5...443.7
07:00...104.5..65.1...17.1...11,728.3..12,402.7...2.6...469.8

07:10...104.5..64.7...18.1...12,340.6..13,011.6...2.8...500.0
07:20...104.5..64.3...19.1...12,933.9..13,600.8...3.0...528.8
07:30...98.0...64.0...20.1...13,545.5..14,209.7...3.0...558.9
07:40...92.0...63.8...21.2...14,219.9..14,880.0...3.0...593.7
07:50...87.0...63.7...22.1...14,834.3..15,490.9...3.0...626.8
08:00...80.0...63.8...23.1...15,507.3..16,161.2...3.0...664.8

08:10...75.0...64.0...23.9...16,121.0..16,771.5...3.0...700.8
08:20...67.0...64.5...24.7...16,757.9..17,405.6...2.8...740.8
08:30...67.0...65.1...24.7...16,957.0..17,604.8...0.0...780.6
08:31...67.0...65.1...24.7...16,957.7..17,604.8...0.0...784.4
08:32...67.0...65.2...24.7...16,957.7..17,604.8...0.0...788.3
08:33...67.0...65.2...24.6...16,957.7..17,604.8...0.0...792.1
08:34...67.0...65.3...24.6...16,957.7..17,604.8...0.0...794.7

Abort Boundaries


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

RETURN TO LAUNCH SITE ONLY (2:21)

6:03:10 PM...T+00:00...LAUNCH
6:03:21 PM...T+00:11...START ROLL MANEUVER..............................927
6:03:28 PM...T+00:18...END ROLL MANEUVER................................1,002
6:03:43 PM...T+00:33...START THROTTLE DOWN (72%)........................1,214
6:03:55 PM...T+00:45...START THROTTLE UP (104.5%).......................1,384
6:04:10 PM...T+01:00...MAX Q (742 psf)..................................1,616
6:05:14 PM...T+02:04...SRB STAGING......................................3,655
6:05:24 PM...T+02:14...START OMS ASSIST (1:11 duration).................3,771

TRANS-ATLANTIC LANDING OPTION AVAILBLE (2:19)

6:05:31 PM...T+02:21...2E TAL MORON (104.5%, 2s)........................3,887
6:05:36 PM...T+02:26...2E TAL ZARAGOZA (104.5%, 2s).....................3,955
6:05:46 PM...T+02:36...2E TAL ISTRES (104.5%, 2s).......................4,091
6:07:02 PM...T+03:52...NEGATIVE RETURN (KSC) (104.5%, 3s)...............5,523

ABORT-TO-ORBIT OPTION AVAILABLE (1:47)

6:07:50 PM...T+04:40...PRESS TO ATO (104.5%, 2s, 160 u/s)...............6,887
6:08:32 PM...T+05:22...DROOP ZARAGOZA (109%,0s).........................8,183
6:08:35 PM...T+05:25...1E OPS-3 ZARAGOZA (109%,0s,2EO SIMO).............8,251
6:08:56 PM...T+05:46...ROLL TO HEADSUP..................................9,014
6:09:13 PM...T+06:03...1E TAL ZARAGOZA (104.5%,2s,2EO SIMO).............9,751

NORMAL ORBIT POSSIBLE WITH ONE ENGINE OUT

6:09:37 PM...T+06:27...PRESS TO MECO (104.5%, 2s, 160 u/s)..............10,774
6:09:37 PM...T+06:27...1E TAL MORON (109%,0s,2EO SEQ,1st EO @5700 VI)...11,115
6:09:37 PM...T+06:27...1E TAL ISTRES (109%,0s,2EO SEQ,1st EO @6000 VI)..11,592
6:10:12 PM...T+07:02...1E PRESS-TO-MECO (104.5%, 2s, 632 u/s)...........12,547
6:10:31 PM...T+07:21...NEGATIVE MORON (2@67%)...........................13,638
6:10:31 PM...T+07:21...3G LIMITING......................................13,665
6:10:51 PM...T+07:41...LAST 2E PRE-MECO TAL ZARAGOZA (2@67%)............14,933
6:10:51 PM...T+07:41...NEGATIVE ISTRES (2@67%)..........................14,933
6:10:57 PM...T+07:47...LAST 1E PRE-MECO TAL ZARAGOZA (1@104.5%).........15,342
6:11:02 PM...T+07:52...23K..............................................15,683
6:11:02 PM...T+07:52...LAST 3E PRE-MECO TAL ZARAGOZA (67%)..............15,683
6:11:27 PM...T+08:17...LAST TAL DIEGO GARCIA............................17,252
6:11:33 PM...T+08:23...MECO COMMANDED...................................17,552
6:11:39 PM...T+08:29...ZERO THRUST......................................17,606