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Spacecraft information: INMARSAT 4-F1
Launch Details
| Launched | 10 March 2005 |
| Flight ended | – |
| Status | Partially operational |
| Categories |
Geostationary
Active satellites |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | International Mobile Satellite Organization (INMARSAT) |
| NORAD ID | 28628 |
| COSPAR ID | 2005-009A |
| Observing |
Current orbital elements
| Inclination | 4.921° |
| Eccentricity | 0.00027 |
| RA ascending node | 2.840 hr |
| Argument perigee | 228.999° |
| Mean anomaly | 307.027° |
| Orbital period | 1436.102 min |
| Epoch of osculation | 14 Dec 2025, 21:06 |
Derived Quantities
| Min Altitude | 35782.6 km |
| Mean Altitude | 35793.8 km |
| Peak Altitude | 35805.1 km |
Launched alongside
ATLAS 5 CENTAUR R/BOrbital History
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