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Spacecraft information: SKYNET 4E
Launch Details
| Launched | 25 February 1999 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | United Kingdom |
| NORAD ID | 25639 |
| COSPAR ID | 1999-009B |
| Observing |
Current orbital elements
| Inclination | 12.071° |
| Eccentricity | 0.00013 |
| RA ascending node | 0.605 hr |
| Argument perigee | 254.493° |
| Mean anomaly | 112.379° |
| Orbital period | 1454.099 min |
| Epoch of osculation | 22 Jun 2026, 18:44 |
Derived Quantities
| Min Altitude | 36139.9 km |
| Mean Altitude | 36145.4 km |
| Peak Altitude | 36150.8 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.