SpaceX

Starlink Group 17-51

Falcon 9 Block 5

T-minus to liftoff

HOURS

MINUTES

SECONDS

Jul 23, 14:00:00 UTC

StatusGo

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 4E

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Mission

A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Launch Timeline

Countdown

T-00:38:00

GO for Prop Load

T-00:35:00

Prop Load

T-00:35:00

Stage 1 LOX Load

T-00:16:00

Stage 2 LOX Load

T-00:07:00

Engine Chill

T-00:01:00

Tank Press

T-00:01:00

Startup

T-00:00:45

GO for Launch

T-00:00:03

Ignition

In-flight

T+00:00:00

Liftoff

T+00:01:08

Max-Q

T+00:02:25

MECO

T+00:02:29

Stage 2 Separation

T+00:02:36

SES-1

T+00:02:57

Fairing Separation

T+00:05:59

Entry Burn Startup

T+00:06:23

Entry Burn Shutdown

T+00:07:56

Stage 1 Landing Burn

T+00:08:19

Stage 1 Landing

T+00:08:40

SECO-1

T+00:52:54

SES-2

T+00:52:56

SECO-2

T+01:01:46

Starlink Deployment

Quick facts

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 4E

SiteVandenberg SFB, CA, USA

WindowJul 23, 14:00:00 UTC→Jul 23, 18:00:00 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.65 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record606/607 successful

Landings593/598

Starlink Group 17-51

Mission

Launch Timeline

Quick facts

Vehicle

Starlink Group 17-51

Mission

Reusable Hardware

Q's read

Launch Timeline

Quick facts

Vehicle

Reusable Hardware

Q's read