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OPS 6431

retired

Signals IntelligenceLEOCOSPAR 1976-038ALaunched 4/30/1976

Mission & Launch

Launch Mission: OPS 6431 [NOSS1]
Launch Vehicle: Atlas F
Launch Date: 4/30/1976
Last Contact: 1/1/1980

Orbit & Mass

Orbit Class: LEO
Altitude: 1,110 km
Inclination: 63.44 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: U.S. Naval Research Lab

Constellation

Name: NOSS / Intruder
Active Satellites: 15

Registry

COSPAR ID: 1976-038A
UN Registration: A/AC.105/INF.349