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Spacecraft information: IUS R/B(1)
Launch Details
| Launched | 28 September 1988 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19549 |
| COSPAR ID | 1988-091C |
| Observing |
Current orbital elements
| Inclination | 26.657° |
| Eccentricity | 0.67830 |
| RA ascending node | 20.170 hr |
| Argument perigee | 129.230° |
| Mean anomaly | 313.283° |
| Orbital period | 496.368 min |
| Epoch of osculation | 19 Mar 2026, 15:46 |
Derived Quantities
| Min Altitude | 309.7 km |
| Mean Altitude | 14395.5 km |
| Peak Altitude | 28481.3 km |
Orbital History
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