Spacecraft information: SKYNET 4E
| 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 | 12.004° |
| Eccentricity | 0.00038 |
| RA ascending node | 0.644 hr |
| Argument perigee | 281.433° |
| Mean anomaly | 260.422° |
| Orbital period | 1454.116 min |
| Epoch of osculation | 04 Mar 2026, 04:40 |
Derived Quantities
| Min Altitude | 36129.5 km |
| Mean Altitude | 36145.7 km |
| Peak Altitude | 36161.9 km |
Orbital History
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