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USA 61

retired

Signals IntelligenceLEOCOSPAR 1990-050CLaunched 6/8/1990

Mission & Launch

Launch Mission: USA 59-62 [NOSS10]
Launch Vehicle: Titan 405A
Launch Date: 6/8/1990
Last Contact: 1/1/2000

Orbit & Mass

Orbit Class: LEO
Altitude: 1,108.5 km
Inclination: 63.44 deg
Dry Mass: 400 kg
Total Mass: 400 kg

Payload Classification

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

Organizations

Operator: U.S. National Reconnaissance Office (NRO)
Manufacturer: U.S. Naval Research Lab

Constellation

Name: NOSS / Intruder
Active Satellites: 15

Registry

COSPAR ID: 1990-050C
UN Registration: ST/SG/SER.E/250