Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

SSC

retired

Signals IntelligenceLEOCOSPAR 1983-008HLaunched 2/9/1983

Mission & Launch

Launch Mission: OPS 0252 [NOSS5]
Launch Vehicle: Atlas H
Launch Date: 2/9/1983
Last Contact: 1/1/1988

Orbit & Mass

Orbit Class: LEO
Altitude: 1,108.5 km
Inclination: 63.47 deg
Dry Mass: 200 kg
Total Mass: 200 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: 1983-008H
UN Registration: ST/SG/SER.E/087