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SKYNET 4E
Launch Details
| Launched | 25 February 1999 |
| Flight ended | – |
| Status | Operational |
| Categories |
Geostationary
Active satellites |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | United Kingdom |
| NORAD ID | 25639 |
| COSPAR ID | 1999-009B |
| Observing |
Current orbital elements
| Inclination | 11.915° |
| Eccentricity | 0.00029 |
| RA ascending node | 0.696 hr |
| Argument perigee | 203.807° |
| Mean anomaly | 339.004° |
| Orbital period | 1436.066 min |
| Epoch of osculation | 10 Oct 2025, 11:40 |
Derived Quantities
| Min Altitude | 35780.7 km |
| Mean Altitude | 35793.1 km |
| Peak Altitude | 35805.6 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.