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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 | 26.407° |
| Eccentricity | 0.66632 |
| RA ascending node | 13.263 hr |
| Argument perigee | 306.161° |
| Mean anomaly | 9.040° |
| Orbital period | 466.078 min |
| Epoch of osculation | 17 Aug 2025, 01:45 |
Derived Quantities
| Min Altitude | 273.5 km |
| Mean Altitude | 13541.8 km |
| Peak Altitude | 26810.1 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.