Polaris Intelligence
Information
Organizations
Spacecraft
Missions
Constellations
Launch Vehicles
Locations
SIRIO
retired
Admin Edit
Orbit: GEO
Launched 8/25/1977
Technical Specifications
Verified technical details
Dry Mass
168 kg
Total Mass
398 kg
Power
Unknown
Design Life
Unknown
Stakeholders
Operator
National Research Council of Italy
Manufacturer
National Research Council of Italy
Launch Mission
Sirio
8/25/1977