Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

Discovery (STS 51-C)

retired

Human SpaceflightLEOCOSPAR 1985-010ALaunched 1/24/1985

Mission & Launch

Launch Mission: USA 8 (ORION 1)
Launch Vehicle: Space Shuttle
Launch Date: 1/24/1985
Last Contact: 1/27/1985

Orbit & Mass

Orbit Class: LEO
Altitude: 354.5 km
Inclination: 28.47 deg
Dry Mass: 84,525 kg
Total Mass: 112,500 kg

Payload Classification

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

Organizations

Operator: NASA Johnson Space Center
Manufacturer: Boeing

Registry

COSPAR ID: 1985-010A
UN Registration: ST/SG/SER.E/126