SpaceX CRS-1 Launch day details

SpaceX CRS-1 Mission Timeline

UPDATE FINAL: Beautiful Launch!

UPDATE 8:19 PM: t Minus 15 min -all systems go

UPDATE 7:34 PM: T Minus 1 Hour until launch

Weather- 80% chance of favorable conditions

UPDATE 7PM: NASA Live Coverage has begun

UPDATE 6:15 PM: Fueling is complete

UPDATE 6PM : Current Live video at Spaceflight Now

NASA Live Coverage begins at 7 HERE

UPDATE 5PM : Countdown continues 3:34:00 remaining

Time-lapse of rollout HERE

UPDATE 2PM : Falcon vertical at pad

Vertical at Pad 10-7 – image credit: SpaceX

Times and dates are subject to change

Launch is scheduled for 8:34 p.m. EDT
Hour/Min/Sec Events
– 7:30:30 Vehicles are powered on
– 3:50:00 Commence loading liquid oxygen (LOX)
– 3:40:00 Commence loading RP-1 (rocket grade kerosene)
– 3:15:00 LOX and RP-1 loading complete
– 0:10:00 Falcon 9 and Dragon terminal count autosequence started
– 0:02:30 SpaceX Launch Director verifies go for launch
– 0:02:00 Range Control Officer (USAF) verifies range is go for launch
– 0:01:00 Command flight computer to begin final prelaunch checks. Turn on pad deck and Niagara water
– 0:00:40 Pressurize propellant tanks
– 0:00:03 Engine controller commands engine ignition sequence to start
– 0:00:00 Falcon 9 launch

Hour/Min/Sec Events
0:01:25 Max Q (moment of peak mechanical stress on the rocket)
0:03:00 1st stage engine shutdown/main engine cutoff (MECO)
0:03:05 1st and 2nd stages separate
0:03:12 2nd stage engine starts
0:03:52 Dragon nose cone jettisoned
0:09:11 2nd stage engine cutoff (SECO)
0:09:46 Dragon separates from 2nd stage
Hour/Min/Sec Events
0:11:45 Start sequence to deploy solar arrays
2:26:49 Start GNC (guidance and navigation control) bay door deployment—this door holds sensors
necessary for rendezvous

Details and timelines for the entire mission can be found in the Press Kit

Press Kit(PDF)

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