Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

Discovery (STS-31)

retired

Human SpaceflightLEOCOSPAR 1990-037ALaunched 4/24/1990

Mission & Launch

Launch Mission: HST
Launch Vehicle: Space Shuttle
Launch Date: 4/24/1990
Last Contact: 4/29/1990

Orbit & Mass

Orbit Class: LEO
Altitude: 616 km
Inclination: 28.48 deg
Dry Mass: 84,568 kg
Total Mass: 105,081 kg

Payload Classification

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

Organizations

Operator: NASA Johnson Space Center
Manufacturer: Boeing

Registry

COSPAR ID: 1990-037A
UN Registration: ST/SG/SER.E/250