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Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee)

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SpaceX

Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee)

Success

Falcon 9 Block 5

T-minus to liftoff

HOURS

MINUTES

SECONDS

Sunday August 4 2024, 15:02:53 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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Space Launch Complex 40

Cape Canaveral SFS, FL, USA

28.562, -80.577

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Mission

This is the 21st flight of the Orbital ATK's uncrewed resupply spacecraft Cygnus and its 20th flight to the International Space Station under the Commercial Resupply Services contract with NASA.

Reusable Hardware

All boosters →

First Stage · Flight-provenB1080

active10th flight

Flights29

Landings29/29100%

Fastest turn13d 12h

Recovered · RTLS · LZ-1· 9 km downrange

44d 17h since last flight

Falcon 9 Block 5 booster first used for the Axiom Space Mission 2 Crew Dragon mission.

Q's read

Weather & scrubLOW risk

Weather Go95%LL2 Go35%Wind4 m/sGusts6 m/sCloud5%Temp22°C

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

max cloud-top 3880 m above freezing 4952 m (23% 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

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+00:01:08

Max-Q

T+00:02:18

MECO

T+00:02:22

Stage 2 Separation

T+00:02:30

SES-1

T+00:02:35

Booster Boostback Burn Startup

T+00:02:58

Fairing Separation

T+00:03:24

Booster Boostback Burn Shutdown

T+00:06:17

Entry Burn Startup

T+00:06:34

Entry Burn Shutdown

T+00:07:24

Stage 1 Landing Burn

T+00:07:31

Stage 1 Landing

T+00:08:33

SECO-1

T+00:14:35

Payload Separation

Quick facts

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 40

SiteCape Canaveral SFS, FL, USA

WindowSunday August 4 2024, 15:02:53 UTC→Sunday August 4 2024, 15:02:53 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record606/607 successful

Landings593/598