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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 | 10.638° |
| Eccentricity | 0.65306 |
| RA ascending node | 21.615 hr |
| Argument perigee | 314.066° |
| Mean anomaly | 8.077° |
| Orbital period | 438.585 min |
| Epoch of osculation | 17 Aug 2025, 04:54 |
Derived Quantities
| Min Altitude | 263.1 km |
| Mean Altitude | 12750.8 km |
| Peak Altitude | 25238.6 km |
Orbital History
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