Due to the retirement of the Antares 230+ rocket, Northrop Grumman purchased three missions from SpaceX to launch the Cygnus spacecraft to the International Space Station before the Antares 330 rocket enters operation and fulfils the CRS Phase 2 contract manifest.
Instantaneous launch window: August 4th at 11:02:53AM EDT (15:02:53 UTC)
Mission: F9 launch of Northrop Grumman’s Cygnus NG-21 S.S Francis R. “Dick” Scobee to the International Space Station
Launch location: Space Launch Complex 40, Cape Canaveral Space Force Station, Earth.
Target orbit: Low Earth Orbit (LEO), 51.6 degree inclination
Booster: B1080-10; 45d 17h 27min 53s turnaround
Booster history: Axiom-2, Euclid, SL 6-11, SL 6-24, Axiom-3, CRS-30, SL 6-52, SL 6-62, SES-24/Astra-1P
Booster recovery: Landing Zone 1 (LZ-1)
Fairing recovery: Bob
Rocket trajectory: Northeast flying parallel to the US east coast
Cargo mass: 3,857kg (8,503lbs)
Stubby nozzle: Yes
Stats:
· SpaceX’s 78th launch of the year and the 3rd launch of the month.
· 6th Falcon launch since the last failure, F9’s 359th orbital flight.
· SpaceX’s 198th launch from SLC-40.
· 42nd landing on LZ-1 out of 43 attempts.
· 261st successful landing since the last failed one.
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