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

© Polaris Intelligence 2026Admin

JCSAT 4A

retired

Orbit: GEOLaunched 2/16/1999

Technical Specifications

Verified technical details

Dry Mass: 1226 kg
Total Mass: 2900 kg
Power: Unknown
Design Life: Unknown

Stakeholders

Operator

Japan Satellite Systems Inc

Manufacturer

Hughes Space and Comms. Co (Hughes Satellite Systems)

Launch Mission

JCSAT 6

2/16/1999