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 | 28.479° |
| Eccentricity | 0.43667 |
| RA ascending node | 22.632 hr |
| Argument perigee | 122.876° |
| Mean anomaly | 286.836° |
| Orbital period | 211.842 min |
| Epoch of osculation | 12 Dec 2025, 05:10 |
Derived Quantities
| Min Altitude | 260.2 km |
| Mean Altitude | 5400.6 km |
| Peak Altitude | 10540.9 km |
Orbital History
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