O3b mPower 11-13
Falcon 9 Block 5. Space Launch Complex 40, Cape Canaveral SFS, FL, USA.
Launch Successful
- Recovery
- B1080: Autonomous Spaceport Drone Ship, A Shortfall of Gravitas, successful
1 Landed
- Your Time
- UTC
- At the Pad
O3b mPower 11-13
SpaceX
Mission
Communications, Medium Earth Orbit
3 high-throughput communications satellites in Medium Earth Orbit (MEO) built by Boeing and operated by SES.
Countdown Sequence
Planned offsets from T-0; confirmations link to their sources
Sequence Ended · Success
- T−00:38:00
GO for Prop Load
Launch director verifies go for propellant load
Planned Time Elapsed
- T−00:35:00
Prop Load
Start of propelland loading
Planned Time Elapsed
- T−00:35:00
Stage 1 LOX Load
Start of liquid oxygen loading in the first stage
Planned Time Elapsed
- T−00:16:00
Stage 2 LOX Load
Start of liquid oxygen loading in the second stage
Planned Time Elapsed
- T−00:07:00
Engine Chill
Start of engine chilling
Planned Time Elapsed
- T−00:01:00
Tank Press
Fuel tanks are pressurized to flight levels
Planned Time Elapsed
- T−00:01:00
Startup
The onboard computer takes control over the countdown and runs last checks
Planned Time Elapsed
- T−00:00:45
GO for Launch
Launch director verifies go for launch
Planned Time Elapsed
- T−00:00:03
Ignition
Start of the engine ignition sequence
Planned Time Elapsed
- T+00:00:00
- T+00:01:12
Max-Q
Maximum dynamic pressure
Planned Time Elapsed
- T+00:02:27
MECO
Cut-off of the main engine
Planned Time Elapsed
- T+00:02:31
Stage 2 Separation
Separation of the second stage from the first
Planned Time Elapsed
- T+00:02:37
SES-1
First start of the second engine
Planned Time Elapsed
- T+00:03:18
Fairing Separation
Separation of the payload fairing
Planned Time Elapsed
- T+00:06:20
Entry Burn Startup
Start of the atmospheric entry burn
Planned Time Elapsed
- T+00:06:44
Entry Burn Shutdown
End of the atmospheric entry burn
Planned Time Elapsed
- T+00:08:02
SECO-1
First cut-off of the second engine
Planned Time Elapsed
- T+00:08:23
Stage 1 Landing Burn
Start of the first stage landing burn
Planned Time Elapsed
- T+00:08:46
Stage 1 Landing
Landing of the first stage
Planned Time Elapsed
- T+00:29:51
SES-2
Second start of the second engine
Planned Time Elapsed
- T+00:30:38
SECO-2
Second cut-off of the second engine
Planned Time Elapsed
- T+00:33:41
Payload Separation
Final deployment of the payload from the rocket
Planned Time Elapsed
- T+00:40:41
Payload Separation
Final deployment of the payload from the rocket
Planned Time Elapsed
- T+00:47:41
Payload Separation
Final deployment of the payload from the rocket
Planned Time Elapsed
Change Log
Detected changes and source updates
Launch success.
All spacecraft have separated.
Liftoff.
Unofficial Re-stream by SPACE AFFAIRS has started
Updated launch weather, 60% GO at start of window (40% at end).
GO for launch.
NET September 13, TBC.
NET September.
NET 2H 2026.
NET 2026, with 3 satellites on board.
NET late 2026.
Added launch for around Q2 2026.