Spaceflight Now



Ascent Timeline and Abort Boundaries
COMPILED BY WILLIAM HARWOOD
Updated: August 27, 2009


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

00:00...100.0......-23....0.0....0.0....0.0..........914.4...0.3...0.0
00:10...104.5......794....0.2....0.2....127.5........922.6...1.7...0.0
00:20...104.5....4,079....0.8....0.4....312.3......1,029.6...1.9...0.1
00:30...104.5.....9,387...1.8....0.7....498.5......1,164.6...1.9...0.5
00:40...72.0.....17,568...3.3....0.9....675.7......1,311.9...1.7...1.1
00:50...74.0.....26,595...5.0....1.1....813.5......1,439.4...1.7...2.0

01:00...104.5....37,082...7.0....1.5....992.1......1,603.8...2.1...3.2
01:10...104.5....50,969...9.7....2.0....1,262.8....1,863.6...2.3...4.9
01:20...104.5....66,006...12.5...2.4....1,585.4....2,190.2...2.5...7.0
01:30...104.5....85,048...16.1...3.0....1,981.5....2,599.3...2.5...10.3
01:40...104.5...104,229...19.7...3.5....2,360.7....2,991.4...2.5...14.2
01:50...104.5...126,928...24.0...4.0....2,770.5....3,414.2...2.1...19.5

02:00...104.5...147,989...28.0...4.1....2,938.2....3,594.9...0.9...25.2
02:10...104.5...168,723...32.0...4.2....3,033.7....3,702.6...1.0...31.4
02:20...104.5...189,521...35.9...4.5....3,159.8....3,841.7...1.0...38.5
02:30...104.5...207,259...39.3...4.8....3,288.0....3,980.8...1.0...45.3
02:40...104.5...223,884...42.4...5.2....3,429.2....4,129.5...1.1...52.5
02:50...104.5...240,899...45.6...5.5....3,596.9....4,304.7...1.1...60.9

03:00...104.5...255,230...48.3...5.9....3,761.9....4,474.5...1.1...69.0
03:10...104.5...269,767...51.1...6.3....3,954.9....4,672.2...1.1...78.4
03:20...104.5...281,888...53.4...6.7....4,141.7....4,861.1...1.2...87.4
03:30...104.5...292,990...55.5...7.2....4,338.8....5,060.2...1.2...97.0
03:40...104.5...304,052...57.6...7.4....4,567.2....5,289.3...1.2...108.0
03:50...104.5...313,087...59.3...7.6....4,785.4....5,508.2...1.2...118.6

04:00...104.5...321,927...61.0...7.8....5,035.0....5,757.1...1.3...130.8
04:10...104.5...329,006...62.3...8.1....5,271.6....5,992.4...1.3...142.5
04:20...104.5...335,202...63.5...8.3....5,518.4....6,238.5...1.4...154.8
04:30...104.5...341,032...64.6...8.5....5,802.1....6,520.8...1.4...168.9
04:40...104.5...345,467...65.4...8.8....6,071.5....6,788.1...1.4...182.4
04:50...104.5...349,431...66.2...9.1....6,381.0....7,095.0...1.5...198.0

05:00...104.5...352,240...66.7...9.5....6,674.2....7,386.1...1.5...212.9
05:10...104.5...354,505...67.1...9.9....7,010.4....7,719.6...1.6...230.0
05:20...104.5...355,857...67.4...10.3...7,329.5....8,036.6...1.7...246.4
05:30...104.5...356,578...67.5...10.7...7,663.0....8,366.7...1.7...263.4
05:40...104.5...356,694...67.6...11.3...8,045.5....8,746.5...1.8...283.1
05:50...104.5...356,238...67.5...11.8...8,409.6....9,107.2...1.9...301.9

06:00...104.5...355,197...67.3...12.4...8,827.6....9,522.4...1.9...323.5
06:10...104.5...353,903...67.0...13.0...9,224.5....9,916.6...2.0...344.0
06:20...104.5...352,240...66.7...13.7...9,682.7....10,371.4..2.1...367.7
06:30...104.5...350,508...66.4...14.4...10,124.5...10,809.8..2.2...390.2
06:40...104.5...348,517...66.0...15.2...10,588.9...11,270.8..2.3...413.8
06:50...104.5...346,133...65.6...16.1...11,129.0...11,807.4..2.5...441.0

07:00...104.5...343,906...65.1...16.9...11,648.5...12,323.6..2.6...467.0
07:10...104.5...341,542...64.7...18.0...12,254.7...12,925.7..2.8...496.9
07:20...104.5...339,608...64.3...18.9...12,841.8...13,510.1..2.9...525.5
07:30...100.0...338,036...64.0...19.9...13,452.8...14,116.9..3.0...555.4
07:40...93.0....336,866...63.8...21.0...14,128.5...14,789.3..3.0...590.0
07:50...87.0....336,398...63.7...22.0...14,740.9...15,398.2..3.0...622.9

08:00...81.0....336,669...63.8...23.0...15,415.9...16,069.8..3.0...660.7
08:10...76.0....337,785...64.0...23.8...16,028.3...16,680.1..3.0...696.5
08:20...67.0....339,993...64.4...24.6...16,671.9...17,320.4..2.8...736.2
08:30...67.0....343,064...65.0...24.7...16,957.7...17,604.8..0.0...775.9
08:31...67.0....343,374...65.0...24.7...16,957.7...17,605.4..0.0...779.8
08:32...67.0....343,684...65.1...24.7...16,958.3...17,605.4..0.0...783.6
08:33...67.0....343,994...65.2...24.7...16,958.3...17,606.1..0.0...787.5
08:34...67.0....344,305...65.2...24.6...16,958.3...17,606.1..0.0...791.3
08:35...67.0....344,616...65.3...24.6...16,958.3...17,605.4..0.0...795.2

Abort Boundaries


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

RTLS VULNERABILITY: 2:40

11:59:37 PM...T+00:00...LAUNCH
11:59:48 PM...T+00:11...START ROLL MANEUVER.................................927
11:59:55 PM...T+00:18...END ROLL MANEUVER.................................1,002
12:00:09 AM...T+00:32...START THROTTLE DOWN (72%).........................1,207
12:00:28 AM...T+00:51...START THROTTLE UP (104.5%)........................1,459
12:00:39 AM...T+01:02...MAX Q (754 psf)...................................1,664
12:01:40 AM...T+02:03...SRB STAGING.......................................3,621
12:01:50 AM...T+02:13...START OMS ASSIST (1:52 duration)..................3,744

TAL ABORT VULNERABILITY: 2:33

12:02:17 AM...T+02:40...2 ENGINE TAL MORON (104.5%, 2s)...................4,091
12:02:22 AM...T+02:45...2 ENGINE TAL ZARAGOZA (104.5%, 2s)................4,159
12:02:32 AM...T+02:55...2 ENGINE TAL ISTRES (104.5%, 2s)..................4,364
12:03:30 AM...T+03:53...NEGATIVE RETURN (KSC) (104.5%, 3s)................5,523

ABORT TO ORBIT VULNERABILITY: 0:58

12:04:50 AM...T+05:13...PRESS TO ATO (104.5%, 2s, 160 u/s)................7,705
12:05:00 AM...T+05:23...DROOP ZARAGOZA (109%,0s)..........................8,183
12:05:03 AM...T+05:26...SINGLE ENGINE OPS-3 ZARAGOZA (109%,0s,2EO SIMO)...8,251
12:05:42 AM...T+06:05...SINGLE ENGINE TAL ZARAGOZA (104.5%,2s,2EO SIMO)...9,751

PRESS AHEAD TO NORMAL ORBIT WITH ONE ENGINE FAILURE

12:05:48 AM...T+06:11...PRESS TO MECO (104.5%, 2s, 160 u/s)...............9,887
12:05:48 AM...T+06:11...SINGLE ENGINE TAL MORON (109%,0s,2EO SEQ)........11,115
12:05:48 AM...T+06:11...SINGLE ENGINE TAL ISTRES (109%,0s,2EO SEQ).......11,524
12:06:35 AM...T+06:58...SINGLE ENGINE PRESS-TO-MECO (104.5%,2s,568 u/s)..12,137
12:06:57 AM...T+07:20...NEGATIVE MORON (2@67%)...........................13,501
12:07:19 AM...T+07:42...LAST 2 ENG PRE-MECO TAL ZARAGOZA (67%)...........14,865
12:07:19 AM...T+07:42...NEGATIVE ISTRES (2@67%)..........................14,865
12:07:25 AM...T+07:48...LAST SINGLE ENG PRE-MECO TAL ZARAGOZA (104.5%)...15,342
12:07:31 AM...T+07:54...LAST 3 ENG PRE-MECO TAL ZARAGOZA (67%)...........15,683
12:07:56 AM...T+08:19...LAST TAL DIEGO GARCIA............................17,252
12:08:01 AM...T+08:24...MECO COMMANDED...................................17,552
12:08:12 AM...T+08:35...ZERO THRUST......................................17,592