Note: Following times based on an April 7 launch.
Event | Time (mm:ss) First Launch Opportunity |
Time (mm:ss) Second Launch Opportunity |
---|---|---|
Switch to internal power | –5:00 | –5:00 |
Pressurize liquid oxygen tanks | –2:00 | –2:00 |
Liftoff | 00:00 | 00:00 |
Mach 1 (738 mph) | 00:32 | 00:32 |
Maximum dynamic pressure | 00:48 | 00:48 |
Six solid rocket motors burnout | 01:03 | 01:03 |
Ignite the three remaining solid motors | 01:06 | 01:06 |
Jettison three burned out solid motors | 01:06 | 01:06 |
Jettison three more burned out solid motors | 01:07 | 01:07 |
Three solid rocket motors burnout | 02:09 | 02:09 |
Jettison last three rocket motors | 02:12 | 02:12 |
Main engine cutoff (MECO) | 04:23 | 04:23 |
Separation of first and second stages | 04:31 | 04:31 |
Second stage ignition | 04:37 | 04:37 |
Jettison payload fairing | 04:42 | 04:42 |
First cutoff - Second stage engine (SECO 1) | 10:04 | 09:54 |
Begin coast phase roll | 11:40 | 11:40 |
End coast phase roll | 14:20 | 14:20 |
Begin coast phase pitch | 14:30 | 14:30 |
End coast phase pitch | 17:10 | 17:10 |
Begin 2nd coast phase roll | 17:20 | 17:20 |
End 2nd coast phase roll | 20:24 | 19:24 |
Second stage restart ignition | 22:24 | 21:04 |
Second cutoff - Second stage engine (SECO 2) | 23:15 | 21:56 |
Fire spin rockets | 24:05 | 22:46 |
Jettison Stage 2 rocket | 24:08 | 22:49 |
Third stage ignition | 24:45 | 23:26 |
Third stage cutoff (TECO) | 26:13 | 24:54 |
Inititate yo-yo weights despin | 30:55 | 29:36 |
Spacecraft separation | 31:00 | 29:41 |
Begin deploy of solar array | 31:43 | 30:24 |
Solar array fully deployed | 36:09 | 34:50 |
Begin search for inertial attitude | 36:55 | 35:36 |
Begin slew to DSN attitude | 42:26 | 41:07 |
SDST Exciter powered on | 44:30 | 43:11 |
SSPA powered on | 45:30 | 44:11 |
Acquistion of spacecraft signal at Canberra | 51:38 | 50:19 |
Health & Status poll | 56:38 | 55:19 |