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USA-22

retired

Signals IntelligenceLEOCOSPAR 1987-043ALaunched 5/15/1987

Mission & Launch

Launch Mission: USA 22-25 [NOSS9]
Launch Vehicle: Atlas H
Launch Date: 5/15/1987
Last Contact: 1/1/1997

Orbit & Mass

Orbit Class: LEO
Altitude: 1,107 km
Inclination: 63.42 deg
Dry Mass: 559 kg
Total Mass: 590 kg

Payload Classification

Mission Type: Signals Intelligence
Payload Category: SIG
Payload Class: D

Organizations

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

Constellation

Name: NOSS / Intruder
Active Satellites: 15

Registry

COSPAR ID: 1987-043A
UN Registration: ST/SG/SER.E/172