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CAT 4
Launch Details
| Launched | 19 December 1981 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | European Space Agency |
| NORAD ID | 13011 |
| COSPAR ID | 1981-122B |
| Observing |
Current orbital elements
| Inclination | 10.673° |
| Eccentricity | 0.65379 |
| RA ascending node | 23.283 hr |
| Argument perigee | 264.795° |
| Mean anomaly | 23.293° |
| Orbital period | 438.897 min |
| Epoch of osculation | 08 Jul 2025, 07:18 |
Derived Quantities
| Min Altitude | 252.4 km |
| Mean Altitude | 12759.9 km |
| Peak Altitude | 25267.4 km |
Orbital History
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