Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

OPS 4324

retired

Earth ObservationLEOCOSPAR 1970-054ALaunched 7/23/1970

Mission & Launch

Launch Mission: CORONA 139/1111
Launch Vehicle: Thorad SLV-2H Agena D
Launch Date: 7/23/1970
Last Contact: 8/10/1970

Orbit & Mass

Orbit Class: LEO
Altitude: 273.5 km
Inclination: 59.99 deg
Dry Mass: 345 kg
Total Mass: 1,990 kg

Payload Classification

Mission Type: Earth Observation
Payload Category: IMG
Payload Class: D

Organizations

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

Registry

COSPAR ID: 1970-054A
UN Registration: A/AC.105/INF.225