Spacecraft information: INMARSAT 4-F2
| Launched | 7 November 2005 |
| Flight ended | – |
| Status | Operational |
| Categories |
Geostationary
Satellite-Based Augmentation System (WAAS/EGNOS/MSAS) Active satellites |
| Launch site | Sea Launch Platform (mobile) |
| Owner | International Mobile Satellite Organization (INMARSAT) |
| NORAD ID | 28899 |
| COSPAR ID | 2005-044A |
| Observing |
Current orbital elements
| Inclination | 5.092° |
| Eccentricity | 0.00028 |
| RA ascending node | 2.913 hr |
| Argument perigee | 34.675° |
| Mean anomaly | 99.225° |
| Orbital period | 1436.117 min |
| Epoch of osculation | 15 Jun 2026, 08:41 |
Derived Quantities
| Min Altitude | 35782.4 km |
| Mean Altitude | 35794.1 km |
| Peak Altitude | 35805.9 km |
Launched alongside
BLOCK DM-SL R/BOrbital History
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