Starlink Group 17-51

Name: Starlink Group 17-51 launch
Start: 2026-07-23T14:00:00+00:00
End: 2026-07-23T18:00:00+00:00
Location: Space Launch Complex 4E, Vandenberg SFB, CA, USA

Falcon 9 Block 5SpaceXSpace Launch Complex 4E

Thursday, July 23, 2026 · 02:00 PM UTCAdd to Calendar

NextGo for Prop LoadT-35:00

Time to launch

T-

DAYS

HRS

MIN

SEC

Launch Window Confidence

88% — High Confidence

Live broadcast on X

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Watch status

Official stream is available.

Open

Vehicle

Falcon 9 Block 5

Profile →

Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fif...

Height70 m

LEO Payload22,800 kg

Launches832

Successes687

Provider

SpaceX

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USA • Founded 2002

Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur E...

Mission Brief

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

PayloadStarlink Group 17-51

OrbitLow Earth Orbit

CustomerStarlink

Stages2

PadSpace Launch Complex 4E, Vandenberg SFB, CA, USA

Mission Timeline

0 / 200%

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Go for Prop Load

Launch director gives the go to begin fueling

T-35:00

01:25 PM UTC

Go for Prop LoadT-35:0001:25 PM UTC
RP-1 Loading BeginsT-35:0001:25 PM UTC
Stage 1 LOX Loading BeginsT-35:0001:25 PM UTC
Stage 2 LOX Loading BeginsT-16:0001:44 PM UTC
Engine Chill BeginsT-07:0001:53 PM UTC
Flight Computer Final ChecksT-01:0001:59 PM UTC
Tanks Pressurize for FlightT-01:0001:59 PM UTC
Strongback Retract BeginsT-00:4501:59 PM UTC
Engine Ignition Sequence StartsT-00:0301:59 PM UTC

Ground vector

Launch site

Site locked

Space Launch Complex 4E

Vandenberg SFB, CA, USA

Global range

Latitude: 34.632°N
Longitude: 120.611°W

Range Weather

Launch commit criteria

Clear

Watch

TrackingNo active constraints

Weather Rules

Tracking no weather issues at this time.

Primary concern: No weather issues
Rule count: 0
Temperature: 63 F
Surface wind: 1 mph NW

Forecasted weather at launch time (02:00 PM UTC): Clear. Source: Open-Meteo global forecast

Window

02:00 PM UTC - 06:00 PM UTC

Schedule History

No delays or schedule changes recorded.

Upcoming Launches

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