Polaris Intelligence
Information
Organizations
Products
Spacecraft
Missions
Constellations
Launch Vehicles
Locations
IMP 2
retired
Admin Edit
Launched 10/4/1964
Technical Specifications
Verified technical details
Dry Mass
62 kg
Total Mass
62 kg
Power
Unknown
Design Life
Unknown
Stakeholders
Operator
NASA Goddard Space Flight Center
Manufacturer
NASA Goddard Space Flight Center
Launch Mission
Explorer 21
10/4/1964