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Spacecraft information: IUS R/B(1)
Launch Details
| 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 | 28.758° |
| Eccentricity | 0.72243 |
| RA ascending node | 4.447 hr |
| Argument perigee | 176.155° |
| Mean anomaly | 196.451° |
| Orbital period | 628.075 min |
| Epoch of osculation | 12 Dec 2025, 04:04 |
Derived Quantities
| Min Altitude | 372.4 km |
| Mean Altitude | 17923.1 km |
| Peak Altitude | 35473.9 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.