| Spacecraft properties | |
|---|---|
| Bus | Eurostar E3000 |
| Manufacturer | EADS Astrium |
| Launch mass | 5,959 kilograms (13,137 lb) |
| Start of mission | |
| Launch date | 11 March 2005 |
| Rocket | Atlas 5 |
| Launch site | Cape Canaveral Space Launch Complex 41 |
Inmarsat-4 F1 is a communications I-4 satellite operated by the British satellite operator Inmarsat. It was launched into a geosynchronous orbit at 21:42 GMT on March 11, 2005 from Space Launch Complex 41 at Cape Canaveral, Florida. By an Atlas 5 in the 431 configuration. It is currently located at 143.5 degrees East.
Inmarsat-4 F1 was constructed by EADS Astrium, using a Eurostar E3000 bus. It has a mass of 5959 kg and is expected to operate for 13 years