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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 | 10.427° |
| Eccentricity | 0.65065 |
| RA ascending node | 15.607 hr |
| Argument perigee | 129.227° |
| Mean anomaly | 309.099° |
| Orbital period | 437.800 min |
| Epoch of osculation | 05 Jan 2026, 00:46 |
Derived Quantities
| Min Altitude | 301.2 km |
| Mean Altitude | 12728.0 km |
| Peak Altitude | 25154.8 km |
Orbital History
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