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Spacecraft information: INMARSAT 4-F2
Launch Details
| 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 | 4.856° |
| Eccentricity | 0.00027 |
| RA ascending node | 2.913 hr |
| Argument perigee | 223.840° |
| Mean anomaly | 68.136° |
| Orbital period | 1436.102 min |
| Epoch of osculation | 15 Dec 2025, 07:11 |
Derived Quantities
| Min Altitude | 35782.6 km |
| Mean Altitude | 35793.8 km |
| Peak Altitude | 35805.0 km |
Launched alongside
BLOCK DM-SL R/BOrbital History
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