Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

TRIPOS IV

retired

Signals IntelligenceLEOCOSPAR 1970-040BLaunched 5/20/1970

Mission & Launch

Launch Mission: CORONA 138/1110
Launch Vehicle: Thorad SLV-2H Agena D
Launch Date: 5/20/1970
Last Contact: 1/22/1973

Orbit & Mass

Orbit Class: LEO
Altitude: 492 km
Inclination: 83.12 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: 1970-040B
UN Registration: A/AC.105/INF.223