Spacecraft information: IUS R/B(1)
| Launched | 8 April 1999 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25671 |
| COSPAR ID | 1999-017C |
| Observing |
Current orbital elements
| Inclination | 29.058° |
| Eccentricity | 0.72110 |
| RA ascending node | 2.278 hr |
| Argument perigee | 228.861° |
| Mean anomaly | 42.268° |
| Orbital period | 627.964 min |
| Epoch of osculation | 14 Mar 2026, 20:59 |
Derived Quantities
| Min Altitude | 403.9 km |
| Mean Altitude | 17920.3 km |
| Peak Altitude | 35436.6 km |
Orbital History
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