Polaris Intelligence
Information
Organizations
Spacecraft
Missions
Constellations
Launch Vehicles
Locations
[Comstar 4]
retired
Admin Edit
Orbit: GEO
Launched 2/21/1981
Technical Specifications
Verified technical details
Dry Mass
590 kg
Total Mass
1490 kg
Power
Unknown
Design Life
Unknown
Stakeholders
Operator
COMSAT
Manufacturer
COMSAT
Launch Mission
Comstar D-4
2/21/1981