SpaceX

Starlink Group 6-99

Success

Falcon 9 Block 5

T-minus to liftoff

-

00

HOURS

:

00

MINUTES

:

00

SECONDS

Wednesday December 17 2025, 13:42:10 UTC

StatusSuccess

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadLaunch Complex 39A

Loading map…

Mission

A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Launch Timeline

In-flight

T+00:01:12

Max-Q

T+00:02:24

MECO

T+00:02:27

Stage 2 Separation

T+00:02:35

SES-1

T+00:02:56

Fairing Separation

T+00:06:07

Entry Burn Startup

T+00:06:34

Entry Burn Shutdown

T+00:07:59

Stage 1 Landing Burn

T+00:08:23

Stage 1 Landing

T+00:08:38

SECO-1

T+00:53:49

SES-2

T+00:53:51

SECO-2

T+01:04:56

Starlink Deployment

Quick facts

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadLaunch Complex 39A

SiteKennedy Space Center, FL, USA

WindowWednesday December 17 2025, 12:19:00 UTC→Wednesday December 17 2025, 16:19:00 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record606/607 successful

Landings593/598

All launches

SpaceX

Starlink Group 6-99

Success

Falcon 9 Block 5

T-minus to liftoff

-

00

HOURS

:

00

MINUTES

:

00

SECONDS

Wednesday December 17 2025, 13:42:10 UTC

StatusSuccess

Scrub riskHIGH

Go12%

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadLaunch Complex 39A

Launch CodexDossier

Every source for this mission in one place — news, social, references, notes & the exact timeline.

Explore

Acquiring satellite view…

Trajectory unknown

Launch Complex 39A

Kennedy Space Center, FL, USA

28.608, -80.604

Loading map…

Mission

A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Reusable Hardware

All boosters →

First Stage · Flight-provenB1094

active6th flight

Flights7

Landings7/7100%

Fastest turn37d 9h

Recovered · ASDS · JRTI· 600 km downrange

41d 12h since last flight

Falcon 9 booster debuting on Starlink Group 12-10.

Q's read

Weather & scrubHIGH risk

Weather Go12%LL2 Go95%Wind1 m/sGusts4 m/sCloud22%Temp24°C

Limiting rule: No flight through cumulus cloud with top at or above the freezing level.

max cloud-top 5591 m above freezing 4617 m (84% cover in 10 nmi) · GLM ingest not primed — treating conservatively · max-top 5591 m, mean 4565 m, 84% cover, freezing 4617 m

Launch Timeline

In-flight

T+00:01:12

Max-Q

T+00:02:24

MECO

T+00:02:27

Stage 2 Separation

T+00:02:35

SES-1

T+00:02:56

Fairing Separation

T+00:06:07

Entry Burn Startup

T+00:06:34

Entry Burn Shutdown

T+00:07:59

Stage 1 Landing Burn

T+00:08:23

Stage 1 Landing

T+00:08:38

SECO-1

T+00:53:49

SES-2

T+00:53:51

SECO-2

T+01:04:56

Starlink Deployment

Quick facts

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadLaunch Complex 39A

SiteKennedy Space Center, FL, USA

WindowWednesday December 17 2025, 12:19:00 UTC→Wednesday December 17 2025, 16:19:00 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record606/607 successful

Landings593/598

Launch CodexDossier

Every source for this mission in one place — news, social, references, notes & the exact timeline.

Explore

Reusable Hardware

All boosters →

First Stage · Flight-provenB1094

active6th flight

Flights7

Landings7/7100%

Fastest turn37d 9h

Recovered · ASDS · JRTI· 600 km downrange

41d 12h since last flight

Falcon 9 booster debuting on Starlink Group 12-10.

Acquiring satellite view…

Trajectory unknown

Launch Complex 39A

Kennedy Space Center, FL, USA

28.608, -80.604

Scrub riskHIGH

Go12%

Q's read

Weather & scrubHIGH risk

Weather Go12%LL2 Go95%Wind1 m/sGusts4 m/sCloud22%Temp24°C

Limiting rule: No flight through cumulus cloud with top at or above the freezing level.

max cloud-top 5591 m above freezing 4617 m (84% cover in 10 nmi) · GLM ingest not primed — treating conservatively · max-top 5591 m, mean 4565 m, 84% cover, freezing 4617 m