Transporter 15 (Dedicated SSO Rideshare)

Mission

Transporter 15 (Dedicated SSO Rideshare) on Falcon 9 Block 5. Fri 28 Nov 2025, 18:44:30 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 minFri 28 Nov, 19:06 CET

   GO for Prop Load

   Launch director verifies go for propellant load

2. T-35 minFri 28 Nov, 19:09 CET

   Prop Load

   Start of propelland loading

3. T-35 minFri 28 Nov, 19:09 CET

   Stage 1 LOX Load

   Start of liquid oxygen loading in the first stage

4. T-16 minFri 28 Nov, 19:28 CET

   Stage 2 LOX Load

   Start of liquid oxygen loading in the second stage

5. T-7 minFri 28 Nov, 19:37 CET

   Engine Chill

   Start of engine chilling

6. T-1 minFri 28 Nov, 19:43 CET

   Startup

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

7. T-1 minFri 28 Nov, 19:43 CET

   Tank Press

   Fuel tanks are pressurized to flight levels

8. T-45 sFri 28 Nov, 19:43 CET

   GO for Launch

   Launch director verifies go for launch

9. T-3 sFri 28 Nov, 19:44 CET

   Ignition

   Start of the engine ignition sequence

10. T-0Fri 28 Nov, 19:44 CET

    Liftoff

    First upwards movement of the rocket

11. T+1 min 12 sFri 28 Nov, 19:45 CET

    Max-Q

    Maximum dynamic pressure

12. T+2 min 30 sFri 28 Nov, 19:47 CET

    MECO

    Cut-off of the main engine

13. T+2 min 32 sFri 28 Nov, 19:47 CET

    Stage 2 Separation

    Separation of the second stage from the first

14. T+2 min 40 sFri 28 Nov, 19:47 CET

    SES-1

    First start of the second engine

15. T+3 min 24 sFri 28 Nov, 19:47 CET

    Fairing Separation

    Separation of the payload fairing

16. T+6 min 7 sFri 28 Nov, 19:50 CET

    Entry Burn Shutdown

    End of the atmospheric entry burn

17. T+6 min 33 sFri 28 Nov, 19:51 CET

    Entry Burn Shutdown

    End of the atmospheric entry burn

18. T+8 min 2 sFri 28 Nov, 19:52 CET

    Stage 1 Landing Burn

    Start of the first stage landing burn

19. T+8 min 21 sFri 28 Nov, 19:52 CET

    SECO-1

    First cut-off of the second engine

20. T+8 min 26 sFri 28 Nov, 19:52 CET

    Stage 1 Landing

    Landing of the first stage

21. T+51 min 3 sFri 28 Nov, 20:35 CET

    SES-2

    Second start of the second engine

22. T+51 min 7 sFri 28 Nov, 20:35 CET

    SECO-2

    Second cut-off of the second engine

23. T+54 min 39 sFri 28 Nov, 20:39 CET

    Payload Deployment Sequence Start

    Start of the payload deployment sequence

24. T+1 h 25 min 35 sFri 28 Nov, 21:10 CET

    Payload Deployment Sequence End

    End of the payload deployment sequence.

25. T+1 h 45 min 47 sFri 28 Nov, 21:30 CET

    SECO-3

    Third cut-off of the second engine

26. T+1 h 45 min 47 sFri 28 Nov, 21:30 CET

    SES-3

    Third start of the second engine

27. T+2 h 15 min 41 sFri 28 Nov, 22:00 CET

    SES-4

    Fourth start of the second engine

28. T+2 h 15 min 41 sFri 28 Nov, 22:00 CET

    SECO-4

    Fourth cut-off of the second engine

29. T+2 h 19 min 56 sFri 28 Nov, 22:04 CET

    Payload Separation

    Final deployment of the payload from the rocket

30. T+2 h 39 min 29 sFri 28 Nov, 22:23 CET

    SES-5

    Fifth start of the second engine

31. T+2 h 39 min 37 sFri 28 Nov, 22:24 CET

    SECO-5

    Fifth cut-off of the second engine

32. T+2 h 43 min 10 sFri 28 Nov, 22:27 CET

    Payload Separation

    Final deployment of the payload from the rocket

Slip history

Changes recorded by Space Right Now

No changes since we started tracking on Sat 10 Oct 2026, 11:17 UTC.

Launch pad

Space Launch Complex 4E

Vandenberg SFB, CA, USA (US)

Coordinates: 34.632, -120.611