Polaris Intelligence
Information
Organizations
Products
Spacecraft
Missions
Constellations
Launch Vehicles
Locations
Explorer I
retired
Admin Edit
Orbit: LEO
Launched 2/1/1958
Technical Specifications
Verified technical details
Dry Mass
8 kg
Total Mass
14 kg
Power
Unknown
Design Life
Unknown
Stakeholders
Operator
U.S. Army
Manufacturer
NASA Jet Propulsion Laboratory
Launch Mission
Explorer 1
2/1/1958