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SpaceX

Starlink Group 10-39

Success

Falcon 9 Block 5

T-minus to liftoff

HOURS

MINUTES

SECONDS

Friday August 21 2026, 15:14:22 UTC

StatusSuccess

Scrub riskLOW

Go95%

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 40

Launch CodexDossier

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

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Orbital elements (TLE)

Orbit

Apogee254 km

Perigee243 km

Period89.5 min

Inclination53.16°

Launch heading 50° · NE from Starlink 10-39.

OrbitStarlink 10-39› conehigh

1 70175U 26192A 26233.67768519 .00000000 00000-0 00000-0 0 9995

2 70175 53.1607 095.6255 0008168 280.9117 344.3909 16.09461136 06

Pre-launch TLEs from Dillon's Space Page. Estimated before flight — the real orbit is confirmed post-launch.

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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-provenB1078

active30th flight

Flights30

Landings30/30100%

Fastest turn20d 11h

Recovered · ASDS · ASOG· 600 km downrange

59d 4h since last flight

Falcon 9 Block 5 booster first used for the Crew-6 mission.

Mission Video

Falcon 9 Block 5 | Starlink Group 10-45 (copy)by Andrew Schoening

Q's read

Weather & scrubLOW risk

Weather Go95%LL2 Go85%Wind2 m/sGusts4 m/sCloud29%Temp26°C

Limiting rule: Droneship recovery upper limit on sea state.

9.8 ≥ 8 ft significant wave height

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+00:01:10

Max-Q

T+00:02:26

MECO

T+00:02:29

Stage 2 Separation

T+00:02:36

SES-1

T+00:02:58

Fairing Separation

T+00:06:03

Entry Burn Startup

T+00:06:24

Entry Burn Shutdown

T+00:08:02

Stage 1 Landing Burn

T+00:08:25

Stage 1 Landing

T+00:08:39

SECO-1

T+00:52:06

SES-2

T+00:52:07

SECO-2

T+01:01:28

Starlink Deployment

Quick facts

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 40

SiteCape Canaveral SFS, FL, USA

WindowFriday August 21 2026, 14:57:00 UTC→Friday August 21 2026, 18:57:00 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record633/634 successful

Landings619/624