Polaris Intelligence
Information
Organizations
Products
Spacecraft
Missions
Constellations
Launch Vehicles
Locations
Kosmos-521
retired
Admin Edit
Orbit: LEO
Launched 9/29/1972
Technical Specifications
Verified technical details
Dry Mass
643 kg
Total Mass
643 kg
Power
Unknown
Design Life
Unknown
Stakeholders
Operator
Russian Ministry of Defense
Manufacturer
Southern State Design Bureau
Launch Mission
Kosmos-521 Mission
9/29/1972