Starlink Group 17-48
Falcon 9 Block 5, SpaceX
Space Launch Complex 4E, Vandenberg SFB, CA, USA
Launch time
T-0
Sat 11 Jul, 05:01:57 CEST
03:01:57 UTC
The rocket put its payload into the planned orbit.
- Window opens
- Window closes
How sure is this date?
The source gives second precision. Launch plans can change.
Source updated
UpdatedSlip history
No changes since we started tracking on .
- LL2 update
Launch success.
Read the source update - LL2 update
Liftoff.
Read the source update - LL2 update
Unofficial Re-stream by SPACE AFFAIRS has started
Read the source update - LL2 update
Now targeting Jul 11 at 03:01 UTC
Read the source update - LL2 update
Now targeting Jul 11 at 03:00 UTC
Read the source update - LL2 update
Now targeting Jul 11 at 02:55 UTC
Read the source update - LL2 update
Now targeting Jul 11 at 02:00 UTC
Read the source update - LL2 update
Now targeting Jul 11 at 14:00 UTC
Read the source update
Show 3 older entries
- LL2 update
Now targeting Jul 10 at 14:00 UTC
Read the source update - LL2 update
Now targeting Jul 06 at 14:00 UTC
Read the source update - LL2 update
Added launch.
Read the source update
Mission
Starlink Group 17-48 on Falcon 9 Block 5 from Space Launch Complex 4E. Launch time, status and recorded date changes from Launch Library 2.
A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
- Mission type
- Communications
- Orbit
- Low Earth Orbit
Programmes: Starlink

Mission patches
- Space X Starlink Mission Patch
Patch artwork is not shown because its image licence is unconfirmed.
Launch timeline
Times are relative to liftoff.
- T-38 min
GO for Prop Load
Launch director verifies go for propellant load
- T-35 min
Prop Load
Start of propelland loading
- T-35 min
Stage 1 LOX Load
Start of liquid oxygen loading in the first stage
- T-16 min
Stage 2 LOX Load
Start of liquid oxygen loading in the second stage
- T-7 min
Engine Chill
Start of engine chilling
- T-1 min
Startup
The onboard computer takes control over the countdown and runs last checks
- T-1 min
Tank Press
Fuel tanks are pressurized to flight levels
- T-45 s
GO for Launch
Launch director verifies go for launch
- T-3 s
Ignition
Start of the engine ignition sequence
- T-0
Liftoff
First upwards movement of the rocket
- T+1 min 8 s
Max-Q
Maximum dynamic pressure
- T+2 min 25 s
MECO
Cut-off of the main engine
- T+2 min 29 s
Stage 2 Separation
Separation of the second stage from the first
- T+2 min 36 s
SES-1
First start of the second engine
- T+2 min 57 s
Fairing Separation
Separation of the payload fairing
- T+5 min 59 s
Entry Burn Startup
Start of the atmospheric entry burn
- T+6 min 23 s
Entry Burn Shutdown
End of the atmospheric entry burn
- T+7 min 56 s
Stage 1 Landing Burn
Start of the first stage landing burn
- T+8 min 19 s
Stage 1 Landing
Landing of the first stage
- T+8 min 40 s
SECO-1
First cut-off of the second engine
- T+52 min 54 s
SES-2
Second start of the second engine
- T+52 min 56 s
SECO-2
Second cut-off of the second engine
- T+1 h 1 min 46 s
Starlink Deployment
Deployment of the Starlink stack from the rocket
Launch pad
Space Launch Complex 4E
Vandenberg SFB, CA, USA (US)
Coordinates: 34.632, -120.611
View launch pad on a map