Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

DMSP F-1

retired

Earth ObservationLEOCOSPAR 1976-091ALaunched 9/11/1976

Mission & Launch

Launch Mission: DMSP 5D F-1
Launch Vehicle: Thor DSV-2U
Launch Date: 9/11/1976
Last Contact: 9/30/1979

Orbit & Mass

Orbit Class: LEO
Altitude: 812.5 km
Inclination: 98.63 deg
Dry Mass: 447 kg
Total Mass: 1,177 kg

Payload Classification

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

Organizations

Operator: U.S. Air Force
Manufacturer: RCA Astro Electronics (Astro Space)

Constellation

Name: DMSP
Active Satellites: 2

Registry

COSPAR ID: 1976-091A
UN Registration: A/AC.105/INF.354