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Mars Climate Orbiter Launch Sequence
Note: Following times based on Dec. 10 launch; times may vary by a second or two for later attempts.
| Event | Time (mm:ss) First Daily Window 93 deg. Flight Azimuth |
Time (mm:ss) Second Daily Window 105 deg. Flight Azimuth |
|---|---|---|
| Liftoff | 00:00 | 00:00 |
| Mach 1 (738 mph) | 00:30.5 | 00:30.5 |
| Maximum dynamic pressure | 00:45.4 | 00:45.4 |
| Four solid rocket motors burnout | 01:03.1 | 01:03.1 |
| Jettison two solid motors | 01:06.0 | 01:06.0 |
| Jettison two solid motors | 01:07.0 | 01:07.0 |
| Main engine cutoff (MECO) | 04:24.0 | 04:24.0 |
| Separation of first and second stages | 04:32.0 | 04:32.0 |
| Second stage ignition | 04:37.5 | 04:37.5 |
| Jettison payload fairing | 04:42.0 | 04:42.0 |
| First cutoff - Second stage engine (SECO 1) | 11:17.5 | 11:18.8 |
| Begin maneuver to restart attitude | 13:20 | 13:20 |
| End maneuver to restart attitude | 18:20 | 18:20 |
| Begin thermal roll program | 18:30 | 18:30 |
| End thermal roll program | 33:40 | 30:10 |
| Second stage restart ignition | 38:41.2 | 35:10.8 |
| SECO 2 | 39:03.2 | 35:32.7 |
| Fire spin rockets | 39:53.2 | 36:22.7 |
| Separation of second and third stages | 39:56.2 | 36:25.7 |
| Third stage ignition | 40:33.2 | 37:02.7 |
| Third stage NCS enable | 40:33.2 | 37:02.7 |
| Third stage burnout (TECO) | 42:01.0 | 38:30.5 |
| Deploy yo-yo weights NCS disable | 46:43.2 | 43:12.7 |
| Spacecraft separation | 46:48.2 | 43:17.7 |
| Targeting interface point | 50:33.2 | 47:02.7 |
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