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Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson)

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SpaceX

Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson)

Success

Falcon 9 Block 5

T-minus to liftoff

HOURS

MINUTES

SECONDS

Tuesday January 30 2024, 17:07:21 UTC

StatusSuccess

Scrub riskHIGH

Go12%

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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Space Launch Complex 40

Cape Canaveral SFS, FL, USA

28.562, -80.577

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Mission

This is the 20th flight of the Orbital ATK's uncrewed resupply spacecraft Cygnus and its 19th flight to the International Space Station under the Commercial Resupply Services contract with NASA.

Q's read

Weather & scrubHIGH risk

Weather Go12%LL2 Go95%Wind2 m/sGusts4 m/sCloud33%Temp25°C

Limiting rule: No flight through a thick (>4500 ft) cloud layer extending across the freezing level.

max-top 6377 m, mean 4946 m, 81% cover, freezing 4523 m · max cloud-top 6377 m above freezing 4523 m (81% 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

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

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+00:01:07

Max-Q

T+00:02:16

MECO

T+00:02:20

Stage 2 Separation

T+00:02:27

SES-1

T+00:02:33

Booster Boostback Burn Startup

T+00:02:55

Fairing Separation

T+00:03:22

Booster Boostback Burn Shutdown

T+00:06:38

Entry Burn Startup

T+00:06:55

Entry Burn Shutdown

T+00:07:50

Stage 1 Landing Burn

T+00:08:15

Stage 1 Landing

T+00:08:38

SECO-1

T+00:14:40

Cygnus Deployment

Quick facts

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 40

SiteCape Canaveral SFS, FL, USA

WindowTuesday January 30 2024, 17:07:21 UTC→Tuesday January 30 2024, 17:07:21 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record606/607 successful

Landings593/598