Spacecraft information: THOR I
| Launched | 17 August 1990 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | Norway |
| NORAD ID | 20762 |
| COSPAR ID | 1990-074A |
| Alternative names |
MARCOPOLO 2 |
| Observing |
Current orbital elements
| Inclination | 14.552° |
| Eccentricity | 0.00034 |
| RA ascending node | 0.462 hr |
| Argument perigee | 285.760° |
| Mean anomaly | 257.508° |
| Orbital period | 1451.445 min |
| Epoch of osculation | 10 May 2026, 11:40 |
Derived Quantities
| Min Altitude | 36079.2 km |
| Mean Altitude | 36093.6 km |
| Peak Altitude | 36108.0 km |
Orbital History
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