
Success
Falcon 9 Block 5 | Starlink Group 15-25
A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Mission type: Communications · Orbit: Low Earth Orbit
Rocket: Falcon 9 · Provider: SpaceX
Timeline
Times are relative to liftoff (T 0:00) and follow the current launch time.
- 38 minutes before liftoff: GO for Prop Load Launch director verifies go for propellant load
- 35 minutes before liftoff: Stage 1 LOX Load Start of liquid oxygen loading in the first stage
- 35 minutes before liftoff: Prop Load Start of propelland loading
- 16 minutes before liftoff: Stage 2 LOX Load Start of liquid oxygen loading in the second stage
- 7 minutes before liftoff: Engine Chill Start of engine chilling
- 1 minute before liftoff: Tank Press Fuel tanks are pressurized to flight levels
- 1 minute before liftoff: Startup The onboard computer takes control over the countdown and runs last checks
- 45 seconds before liftoff: GO for Launch Launch director verifies go for launch
- 3 seconds before liftoff: Ignition Start of the engine ignition sequence
- at liftoff: Liftoff First upwards movement of the rocket
- 1 minute 8 seconds after liftoff: Max-Q Maximum dynamic pressure
- 2 minutes 26 seconds after liftoff: MECO Cut-off of the main engine
- 2 minutes 29 seconds after liftoff: Stage 2 Separation Separation of the second stage from the first
- 2 minutes 36 seconds after liftoff: SES-1 First start of the second engine
- 2 minutes 58 seconds after liftoff: Fairing Separation Separation of the payload fairing
- 6 minutes 1 second after liftoff: Entry Burn Startup Start of the atmospheric entry burn
- 6 minutes 24 seconds after liftoff: Entry Burn Shutdown End of the atmospheric entry burn
- 8 minutes after liftoff: Stage 1 Landing Burn Start of the first stage landing burn
- 8 minutes 23 seconds after liftoff: Stage 1 Landing Landing of the first stage
- 8 minutes 39 seconds after liftoff: SECO-1 First cut-off of the second engine
- 53 minutes 5 seconds after liftoff: SES-2 Second start of the second engine
- 53 minutes 6 seconds after liftoff: SECO-2 Second cut-off of the second engine
- 1 hour 1 minute 57 seconds after liftoff: Starlink Deployment Deployment of the Starlink stack from the rocket
Launch pad
Space Launch Complex 4E, Vandenberg SFB, CA, USA · View on map (opens in new tab)
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