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

© Polaris Intelligence 2026Admin

Skynet 4E

active

Orbit: GEOLaunched 2/26/1999

Technical Specifications

Verified technical details

Dry Mass: 719 kg
Total Mass: 1490 kg
Power: Unknown
Design Life: Unknown

Stakeholders

Operator

U.K. Ministry of Defence

Manufacturer

Lockheed Martin

Launch Mission

Arabsat 3A/Skynet 4E

2/26/1999