Spacecraft information: IUS R/B(2)
| Launched | 1 August 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21641 |
| COSPAR ID | 1991-054D |
| Observing |
Current orbital elements
| Inclination | 13.906° |
| Eccentricity | 0.00370 |
| RA ascending node | 22.274 hr |
| Argument perigee | 342.873° |
| Mean anomaly | 221.089° |
| Orbital period | 1434.433 min |
| Epoch of osculation | 27 Jan 2026, 09:34 |
Derived Quantities
| Min Altitude | 35605.4 km |
| Mean Altitude | 35761.2 km |
| Peak Altitude | 35917.0 km |
Orbital History
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