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USA 53

retired

Earth ObservationLEOCOSPAR 1990-019BLaunched 2/28/1990

Mission & Launch

Launch Mission: USA 53 [MST1]
Launch Vehicle: Space Shuttle
Launch Date: 2/28/1990
Last Contact: 1/1/1995

Orbit & Mass

Orbit Class: LEO
Altitude: 804 km
Inclination: 64.99 deg
Dry Mass: 12,000 kg
Total Mass: 16,900 kg

Payload Classification

Mission Type: Earth Observation
Payload Category: IMG
Payload Class: D

Organizations

Operator: U.S. National Reconnaissance Office (NRO)
Manufacturer: Lockheed Martin

Registry

COSPAR ID: 1990-019B
UN Registration: ST/SG/SER.E/250