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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 | 10.429° |
| Eccentricity | 0.65277 |
| RA ascending node | 9.538 hr |
| Argument perigee | 305.676° |
| Mean anomaly | 9.732° |
| Orbital period | 436.564 min |
| Epoch of osculation | 25 May 2026, 09:16 |
Derived Quantities
| Min Altitude | 248.2 km |
| Mean Altitude | 12692.0 km |
| Peak Altitude | 25135.9 km |
Orbital History
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