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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 | 26.685° |
| Eccentricity | 0.67901 |
| RA ascending node | 23.156 hr |
| Argument perigee | 54.254° |
| Mean anomaly | 351.508° |
| Orbital period | 497.124 min |
| Epoch of osculation | 18 Dec 2025, 06:43 |
Derived Quantities
| Min Altitude | 301.6 km |
| Mean Altitude | 14416.5 km |
| Peak Altitude | 28531.5 km |
Orbital History
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