| Satellite Name | Inmarsat 4 F3 |
| Status | Retired |
| Mission Type | Communication |
| Orbit | Geostationary |
| Position | 98.0 ° West |
| Country | International |
| Operator | Inmarsat Plc |
| Satellite Manufacturer | Airbus Defence and Space (EADS - European Aeronautic Defence and Space) |
| Model (BUS) | Eurostar 3000 |
| Launch Vehicle | Proton M Briz M |
| Launch Site | Baikonur Cosmodrome |
| Launch Date | 18.08.2008 |
| Satellite Lifetime | 13 Year (Planned lifetime has expired.) |
| Mass | 5959 Kg |
| Transponders | |
| Downlink Frequency | Unknown |
| Uplink Frequency | Unknown |
| Beacon Frequency | Unknown |
| Norad Number | Unknown |
| Cospar Number | 2008-039A |
| Toplam TV | 0 |
| SD TV | 0 |
| HD TV | 0 |
| Ultra HD (4K) TV | 0 |
| 3D TV | 0 |
| Radio | 0 |
| Data | 0 |
| Feed | 0 |