Polaris Intelligence
Information
Organizations
Products
Spacecraft
Missions
Constellations
Launch Vehicles
Locations
Navstar 4
retired
Admin Edit
Orbit: MEO
Launched 12/11/1978
Technical Specifications
Verified technical details
Dry Mass
409 kg
Total Mass
775 kg
Power
Unknown
Design Life
Unknown
Stakeholders
Operator
U.S. Air Force
Manufacturer
Boeing
Launch Mission
GPS 4
12/11/1978