Polaris Intelligence
Information
Organizations
Spacecraft
Missions
Constellations
Launch Vehicles
Locations
[TDRS-4]
retired
Admin Edit
Orbit: GEO
Launched 3/13/1989
Technical Specifications
Verified technical details
Dry Mass
1673 kg
Total Mass
2245 kg
Power
Unknown
Design Life
Unknown
Stakeholders
Operator
NASA Goddard Space Flight Center
Manufacturer
NASA Goddard Space Flight Center
Launch Mission
TDRS-D
3/13/1989