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OPS 4258

retired

Signals IntelligenceGEOCOSPAR 1977-114ALaunched 12/11/1977

Mission & Launch

Launch Mission: OPS 4258 Mission
Launch Vehicle: Atlas SLV-3A Agena D
Launch Date: 12/11/1977
Last Contact: 1/1/1988

Orbit & Mass

Orbit Class: GEO
Altitude: 35,775 km
Inclination: 0 deg
Dry Mass: 300 kg
Total Mass: 700 kg

Payload Classification

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

Organizations

Operator: U.S. National Reconnaissance Office (NRO)
Manufacturer: Northrop Grumman

Registry

COSPAR ID: 1977-114A
UN Registration: ST/SG/SER.E/007