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IUS R/B(1)
Launch Details
| Launched | 1 August 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21640 |
| COSPAR ID | 1991-054C |
| Observing |
Current orbital elements
| Inclination | 26.405° |
| Eccentricity | 0.66444 |
| RA ascending node | 11.408 hr |
| Argument perigee | 352.831° |
| Mean anomaly | 1.211° |
| Orbital period | 465.073 min |
| Epoch of osculation | 07 Oct 2025, 11:17 |
Derived Quantities
| Min Altitude | 301.4 km |
| Mean Altitude | 13513.2 km |
| Peak Altitude | 26724.9 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.