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SpaceX

OneWeb 20

Success

Falcon 9 Block 5

T-minus to liftoff

HOURS

MINUTES

SECONDS

Sunday October 20 2024, 05:13:00 UTC

StatusSuccess

Scrub riskLOW

Go95%

VehicleFalcon 9 Block 5

OrbitPolar Orbit

PadSpace Launch Complex 4E

Launch CodexDossier

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

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Space Launch Complex 4E

Vandenberg SFB, CA, USA

34.632, -120.611

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Mission

A batch of 20 satellites for the OneWeb satellite constellation, which is intended to provide global Internet broadband service for individual consumers. The constellation is planned to have around 648 microsatellites (of which 60 are spares), around 150 kg each, operating in Ku-band from low Earth orbit.

Launch intel

Weather & scrubLOW risk

Weather Go95%Wind2 m/sGusts3 m/sCloud14%Temp14°C

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

max cloud-top 3554 m above freezing 4340 m (29% cover in 10 nmi) · no GLM flashes within 25 nmi / 30 min, likely cirrus / stratiform ice rather than cumulus · 6.0 ≥ 6 ft significant wave height

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+00:02:15

MECO

T+00:02:19

Stage 2 Separation

T+00:02:27

SES-1

T+00:02:32

Booster Boostback Burn Startup

T+00:03:02

Fairing Separation

T+00:03:28

Booster Boostback Burn Shutdown

T+00:06:18

Entry Burn Startup

T+00:06:33

Entry Burn Shutdown

T+00:07:18

Stage 1 Landing Burn

T+00:07:56

Stage 1 Landing

T+00:08:29

SECO-1

T+00:55:03

SES-2

T+00:55:06

SECO-2

T+00:59:03

Payload Separation

T+00:59:35

Payload Separation

T+01:00:31

Payload Separation

T+01:00:33

Payload Separation

T+01:02:13

Payload Separation

T+01:12:43

Payload Separation

T+01:16:15

Payload Separation

T+01:17:11

Payload Separation

T+01:18:27

Payload Separation

T+01:18:53

Payload Separation

Quick facts

VehicleFalcon 9 Block 5

OrbitPolar Orbit

PadSpace Launch Complex 4E

SiteVandenberg SFB, CA, USA

WindowSunday October 20 2024, 05:09:00 UTC→Sunday October 20 2024, 05:48:00 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record606/607 successful

Landings593/598