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TOPHAT I

retired

Signals IntelligenceLEOCOSPAR 1970-098BLaunched 11/18/1970

Mission & Launch

Launch Mission: CORONA 140/1112
Launch Vehicle: Thorad SLV-2H Agena D
Launch Date: 11/18/1970
Last Contact: 6/21/1974

Orbit & Mass

Orbit Class: LEO
Altitude: 493.5 km
Inclination: 83.19 deg
Dry Mass: 141 kg
Total Mass: 151 kg

Payload Classification

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

Organizations

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

Registry

COSPAR ID: 1970-098B
UN Registration: A/AC.105/INF.227