Spacecraft information: IUS R/B(1)
| Launched | 23 November 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21806 |
| COSPAR ID | 1991-080C |
| Observing |
Current orbital elements
| Inclination | 26.438° |
| Eccentricity | 0.71338 |
| RA ascending node | 13.603 hr |
| Argument perigee | 303.917° |
| Mean anomaly | 7.554° |
| Orbital period | 602.518 min |
| Epoch of osculation | 22 Jun 2026, 06:02 |
Derived Quantities
| Min Altitude | 402.0 km |
| Mean Altitude | 17259.5 km |
| Peak Altitude | 34117.0 km |
Orbital History
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