Transporter 12 (Dedicated SSO Rideshare)

Mission

Transporter 12 (Dedicated SSO Rideshare) on Falcon 9 Block 5. Tue 14 Jan 2025, 19:09:00 UTC. Reported outcome: Success. Launch site: Space Launch Complex 4E. Source: Launch Library 2.

Dedicated rideshare flight to a sun-synchronous orbit with dozens of small microsatellites and nanosatellites for commercial and government customers.

Mission type

Dedicated Rideshare

Orbit

Sun-Synchronous Orbit

Rocket file imagery

Launch timeline

Times are relative to liftoff.

1. T-38 minTue 14 Jan, 19:31 CET

   GO for Prop Load

   Launch director verifies go for propellant load

2. T-35 minTue 14 Jan, 19:34 CET

   Stage 1 Propellant Load

   Start of propellant loading in the first stage

3. T-35 minTue 14 Jan, 19:34 CET

   Stage 1 LOX Load

   Start of liquid oxygen loading in the first stage

4. T-16 minTue 14 Jan, 19:53 CET

   Stage 2 LOX Load

   Start of liquid oxygen loading in the second stage

5. T-7 minTue 14 Jan, 20:02 CET

   Engine Chill

   Start of engine chilling

6. T-1 minTue 14 Jan, 20:08 CET

   Startup

   The onboard computer takes control over the countdown and runs last checks

7. T-1 minTue 14 Jan, 20:08 CET

   Tank Press

   Fuel tanks are pressurized to flight levels

8. T-45 sTue 14 Jan, 20:08 CET

   GO for Launch

   Launch director verifies go for launch

9. T-3 sTue 14 Jan, 20:08 CET

   Ignition

   Start of the engine ignition sequence

10. T-0Tue 14 Jan, 20:09 CET

    Liftoff

    First upwards movement of the rocket

11. T+1 min 4 sTue 14 Jan, 20:10 CET

    Max-Q

    Maximum dynamic pressure

12. T+2 min 13 sTue 14 Jan, 20:11 CET

    MECO

    Cut-off of the main engine

13. T+2 min 17 sTue 14 Jan, 20:11 CET

    Stage 2 Separation

    Separation of the second stage from the first

14. T+2 min 21 sTue 14 Jan, 20:11 CET

    Stage 1 Flip

    Flip maneuver of the first stage

15. T+2 min 25 sTue 14 Jan, 20:11 CET

    SES-1

    First start of the second engine

16. T+2 min 30 sTue 14 Jan, 20:11 CET

    Booster Boostback Burn Startup

    Start of the booster boostback burn

17. T+3 min 3 sTue 14 Jan, 20:12 CET

    Fairing Separation

    Separation of the payload fairing

18. T+3 min 25 sTue 14 Jan, 20:12 CET

    Booster Boostback Burn Shutdown

    End of the booster boostback burn

19. T+6 min 12 sTue 14 Jan, 20:15 CET

    Entry Burn Startup

    Start of the atmospheric entry burn

20. T+6 min 41 sTue 14 Jan, 20:15 CET

    Entry Burn Shutdown

    End of the atmospheric entry burn

21. T+7 min 15 sTue 14 Jan, 20:16 CET

    Stage 1 Landing Burn

    Start of the first stage landing burn

22. T+7 min 32 sTue 14 Jan, 20:16 CET

    Stage 1 Landing

    Landing of the first stage

23. T+8 min 15 sTue 14 Jan, 20:17 CET

    SECO-1

    First cut-off of the second engine

24. T+50 min 52 sTue 14 Jan, 20:59 CET

    SES-2

    Second start of the second engine

25. T+50 min 56 sTue 14 Jan, 20:59 CET

    SECO-2

    Second cut-off of the second engine

26. T+54 min 12 sTue 14 Jan, 21:03 CET

    Payload Deployment Sequence Start

    Start of the payload deployment sequence

27. T+2 h 22 min 2 sTue 14 Jan, 22:31 CET

    Payload Deployment Sequence End

    End of the payload deployment sequence.

Slip history

Changes recorded by Space Right Now

No changes since we started tracking on Sat 10 Oct 2026, 11:14 UTC.

Launch pad

Space Launch Complex 4E

Vandenberg SFB, CA, USA (US)

Coordinates: 34.632, -120.611