Spacecraft information: IUS R/B(1)
| Launched | 22 July 1999 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25868 |
| COSPAR ID | 1999-040C |
| Observing |
Current orbital elements
| Inclination | 28.448° |
| Eccentricity | 0.43433 |
| RA ascending node | 7.964 hr |
| Argument perigee | 121.162° |
| Mean anomaly | 288.644° |
| Orbital period | 209.995 min |
| Epoch of osculation | 30 Apr 2026, 08:50 |
Derived Quantities
| Min Altitude | 249.0 km |
| Mean Altitude | 5332.1 km |
| Peak Altitude | 10415.1 km |
Orbital History
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