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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 | 10.514° |
| Eccentricity | 0.65198 |
| RA ascending node | 19.456 hr |
| Argument perigee | 17.424° |
| Mean anomaly | 357.279° |
| Orbital period | 438.234 min |
| Epoch of osculation | 07 Oct 2025, 08:14 |
Derived Quantities
| Min Altitude | 280.1 km |
| Mean Altitude | 12740.6 km |
| Peak Altitude | 25201.1 km |
Orbital History
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