SpaceX

NROL-149

Success

Falcon 9 Block 5

T-minus to liftoff

-

00

HOURS

:

00

MINUTES

:

00

SECONDS

Tuesday December 17 2024, 13:19:00 UTC

StatusSuccess

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 4E

Loading map…

Mission

Sixth batch of satellites for a reconnaissance satellite constellation built by SpaceX and Northrop Grumman for the National Reconnaissance Office to provide imaging and other reconnaissance capabilities.

Launch Timeline

Countdown

T-00:38:00

GO for Prop Load

T-00:35:00

Stage 1 LOX Load

T-00:35:00

Prop Load

T-00:16:00

Stage 2 LOX Load

T-00:07:00

Engine Chill

T-00:01:00

Startup

T-00:01:00

Tank Press

T-00:00:45

GO for Launch

T-00:00:03

Ignition

In-flight

T+00:00:00

Liftoff

T+00:01:06

Max-Q

T+00:02:26

MECO

T+00:02:30

Stage 2 Separation

T+00:02:36

SES-1

T+00:03:02

Fairing Separation

T+00:06:10

Entry Burn Startup

T+00:06:29

Entry Burn Shutdown

T+00:07:52

Stage 1 Landing Burn

T+00:08:02

Stage 1 Landing

T+00:08:43

SECO-1

T+00:53:19

SES-2

Quick facts

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 4E

SiteVandenberg SFB, CA, USA

WindowTuesday December 17 2024, 13:19:00 UTC→Tuesday December 17 2024, 13:19:00 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record606/607 successful

Landings593/598

All launches

SpaceX

NROL-149

Success

Falcon 9 Block 5

T-minus to liftoff

-

00

HOURS

:

00

MINUTES

:

00

SECONDS

Tuesday December 17 2024, 13:19:00 UTC

StatusSuccess

Scrub riskLOW

Go95%

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 4E

Launch CodexDossier

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

Explore

Acquiring satellite view…

Trajectory unknown

Space Launch Complex 4E

Vandenberg SFB, CA, USA

34.632, -120.611

Loading map…

Mission

Sixth batch of satellites for a reconnaissance satellite constellation built by SpaceX and Northrop Grumman for the National Reconnaissance Office to provide imaging and other reconnaissance capabilities.

Q's read

Weather & scrubLOW risk

Weather Go95%Wind2 m/sGusts3 m/sCloud66%Temp17°C

Limiting rule: Droneship recovery upper limit on sea state.

10.8 ≥ 8 ft significant wave height · max cloud-top 2597 m above freezing 3234 m (20% cover in 10 nmi) · no GLM flashes within 25 nmi / 30 min, likely cirrus / stratiform ice rather than cumulus

Launch Timeline

Countdown

T-00:38:00

GO for Prop Load

T-00:35:00

Stage 1 LOX Load

T-00:35:00

Prop Load

T-00:16:00

Stage 2 LOX Load

T-00:07:00

Engine Chill

T-00:01:00

Startup

T-00:01:00

Tank Press

T-00:00:45

GO for Launch

T-00:00:03

Ignition

In-flight

T+00:00:00

Liftoff

T+00:01:06

Max-Q

T+00:02:26

MECO

T+00:02:30

Stage 2 Separation

T+00:02:36

SES-1

T+00:03:02

Fairing Separation

T+00:06:10

Entry Burn Startup

T+00:06:29

Entry Burn Shutdown

T+00:07:52

Stage 1 Landing Burn

T+00:08:02

Stage 1 Landing

T+00:08:43

SECO-1

T+00:53:19

SES-2

Quick facts

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 4E

SiteVandenberg SFB, CA, USA

WindowTuesday December 17 2024, 13:19:00 UTC→Tuesday December 17 2024, 13:19:00 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

Acquiring satellite view…

Trajectory unknown

Space Launch Complex 4E

Vandenberg SFB, CA, USA

34.632, -120.611

Scrub riskLOW

Go95%

Q's read

Weather & scrubLOW risk

Weather Go95%Wind2 m/sGusts3 m/sCloud66%Temp17°C

Limiting rule: Droneship recovery upper limit on sea state.

10.8 ≥ 8 ft significant wave height · max cloud-top 2597 m above freezing 3234 m (20% cover in 10 nmi) · no GLM flashes within 25 nmi / 30 min, likely cirrus / stratiform ice rather than cumulus