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Spacecraft information: GSTAR 4
Launch Details
| Launched | 19 November 1990 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | United States |
| NORAD ID | 20946 |
| COSPAR ID | 1990-100B |
| Observing |
Current orbital elements
| Inclination | 14.210° |
| Eccentricity | 0.00100 |
| RA ascending node | 0.722 hr |
| Argument perigee | 334.807° |
| Mean anomaly | 212.404° |
| Orbital period | 1452.367 min |
| Epoch of osculation | 09 Mar 2026, 14:51 |
Derived Quantities
| Min Altitude | 36068.9 km |
| Mean Altitude | 36111.6 km |
| Peak Altitude | 36154.3 km |
Orbital History
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