Polaris Intelligence
Information
Organizations
Spacecraft
Missions
Constellations
Launch Vehicles
Locations
[Explorer 55]
retired
Admin Edit
Orbit: LEO
Launched 11/20/1975
Technical Specifications
Verified technical details
Dry Mass
552 kg
Total Mass
720 kg
Power
Unknown
Design Life
Unknown
Stakeholders
Operator
NASA Goddard Space Flight Center
Manufacturer
NASA Goddard Space Flight Center
Launch Mission
Explorer 55
11/20/1975