/sci/ - Science & Math

>>11734081

Mission Timeline:

Hour/Min/Sec Events

COUNTDOWN
-04:15:00 Crew weather brief
-04:05:00 Crew handoff
-04:00:00 Suit donning and checkouts
-03:22:00 Crew Walk Out from Neil Armstrong Operations and Checkout Building
-03:15:00 Crew Transportation to Launch Complex 39A
-02:55:00 Crew arrives at pad
-02:35:00 Crew ingress
-02:20:00 Communication check
-02:15:00 Verify ready for seat rotation
-02:14:00 Suit leak checks
-01:55:00 Hatch close
-00:45:00 SpaceX Launch Director verifies go for propellant load
-00:42:00 Crew access arm retracts
-00:37:00 Dragon launch escape system is armed
-00:35:00 RP-1 (rocket grade kerosene) loading begins
-00:35:00 1st stage LOX (liquid oxygen) loading begins
-00:16:00 2nd stage LOX loading begins
-00:07:00 Falcon 9 begins engine chill prior to launch
-00:05:00 Dragon transitions to internal power
-00:01:00 Command flight computer to begin final prelaunch checks
-00:01:00 Propellant tank pressurization to flight pressure begins
-00:00:45 SpaceX Launch Director verifies go for launch
-00:00:03 Engine controller commands engine ignition sequence to start
-00:00:00 Falcon 9 liftoff

LAUNCH, LANDING AND DRAGON DEPLOYMENT
+00:00:58 Max Q (moment of peak mechanical stress on the rocket)
+00:02:33 1st stage main engine cutoff (MECO)
+00:02:36 1st and 2nd stages separate
+00:02:44 2nd stage engine starts
+00:07:15 1st stage entry burn
+00:08:47 2nd stage engine cutoff (SECO-1)
+00:08:52 1st stage entry burn
+00:09:22 1st stage landing
+00:12:00 Crew Dragon separates from 2nd stage
+00:12:46 Dragon nosecone open sequence begins