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OPS 8781

retired

Signals IntelligenceLEOCOSPAR 1977-112ALaunched 12/8/1977

Mission & Launch

Launch Mission: OPS 8781 [NOSS2]
Launch Vehicle: Atlas F
Launch Date: 12/8/1977
Last Contact: 1/1/1983

Orbit & Mass

Orbit Class: LEO
Altitude: 1,107.5 km
Inclination: 63.41 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: 1977-112A
UN Registration: ST/SG/SER.E/007