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S.S. William C. McCool

retired

Human SpaceflightLEOCOSPAR 2025-208ALaunched 9/14/2025

Mission & Launch

Launch Mission: Cygnus NG-23
Launch Vehicle: Falcon 9 FT5
Launch Date: 9/14/2025
Last Contact: 3/14/2026

Orbit & Mass

Orbit Class: LEO
Altitude: 243.5 km
Inclination: 51.65 deg
Dry Mass: 3,290 kg
Total Mass: 10,200 kg

Payload Classification

Mission Type: Human Spaceflight
Payload Category: SS
Payload Class: B

Organizations

Operator: Northrop Grumman
Manufacturer: Northrop Grumman

Registry

COSPAR ID: 2025-208A