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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 | 26.392° |
| Eccentricity | 0.66787 |
| RA ascending node | 14.898 hr |
| Argument perigee | 265.127° |
| Mean anomaly | 21.739° |
| Orbital period | 467.182 min |
| Epoch of osculation | 03 Jul 2025, 01:02 |
Derived Quantities
| Min Altitude | 253.1 km |
| Mean Altitude | 13573.3 km |
| Peak Altitude | 26893.4 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.