About National Intelligence Organizations Products Missions Vehicles Spacecraft Constellations Forecasts Latest Information

© Polaris Intelligence 2026Admin

INMARSAT III F-4

retired

Orbit: GEOLaunched 6/3/1997

Technical Specifications

Verified technical details

Dry Mass: 813 kg
Total Mass: 1999 kg
Power: Unknown
Design Life: Unknown

Stakeholders

Operator

Manufacturer

Lockheed Martin

Launch Mission

Inmarsat 3/Insat 2D

6/3/1997