Spacecraft information: IUS R/B(2)
| Launched | 23 January 1985 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 15545 |
| COSPAR ID | 1985-010D |
| Observing |
Current orbital elements
| Inclination | 12.811° |
| Eccentricity | 0.00283 |
| RA ascending node | 20.840 hr |
| Argument perigee | 303.963° |
| Mean anomaly | 55.716° |
| Orbital period | 1428.447 min |
| Epoch of osculation | 20 May 2026, 18:37 |
Derived Quantities
| Min Altitude | 35524.9 km |
| Mean Altitude | 35643.9 km |
| Peak Altitude | 35762.8 km |
Orbital History
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