Mars Polar Lander Launch Sequence
Note: Following times based on January 3 launch; times may vary by a second or two for later attempts.
Event Time (mm:ss) Liftoff 00:00 Mach 1 (738 mph) 00:30.6 Maximum dynamic pressure 00:44.7 Four solid rocket motors burnout 01:03.1 Jettison two solid motors 01:06.0 Jettison two solid motors 01:07.0 Main engine cutoff (MECO) 04:24.0 Separation of first and second stages 04:32.0 Second stage ignition 04:37.5 Jettison payload fairing 04:42.0 First cutoff - Second stage engine (SECO 1) 11:22.2 Begin maneuver to restart attitude 13:20.0 End maneuver to restart attitude 18:20.0 Begin thermal roll program 18:30.0 End thermal roll program 28:20.0 Second stage restart ignition 34:11.9 Second cutoff - stage 2 (SECO 2) 34:30.3 Fire spin rockets 35:20.3 Separation of second and third stages 35:23.3 Third stage ignition/NCS enable 36:00.3 Third stage burnout (TECO) 37:28.1 Deploy yo-yo weights NCS disable 42:10.3 Spacecraft separation 42:15.3 Targeting interface point 46:00.3
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