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Spacecraft information: 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 | 10.389° |
| Eccentricity | 0.65258 |
| RA ascending node | 11.123 hr |
| Argument perigee | 259.783° |
| Mean anomaly | 25.987° |
| Orbital period | 437.029 min |
| Epoch of osculation | 19 Apr 2026, 07:17 |
Derived Quantities
| Min Altitude | 256.6 km |
| Mean Altitude | 12705.6 km |
| Peak Altitude | 25154.6 km |
Orbital History
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