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SKYNET 4A
Launch Details
| Launched | 31 December 1989 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United Kingdom |
| NORAD ID | 20401 |
| COSPAR ID | 1990-001A |
| Observing |
Current orbital elements
| Inclination | 13.208° |
| Eccentricity | 0.00103 |
| RA ascending node | 0.069 hr |
| Argument perihelion | 296.970° |
| Mean anomaly | 307.450° |
| Orbital period | 1454.560 min |
| Epoch of osculation | 08 May 2021, 04:20 |
Derived Quantities
| Min Altitude | 36110.5 km |
| Mean Altitude | 36154.3 km |
| Peak Altitude | 36198.2 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.