Spacecraft information: IUS R/B(2)
| Launched | 12 March 1989 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19913 |
| COSPAR ID | 1989-021D |
| Observing |
Current orbital elements
| Inclination | 8.867° |
| Eccentricity | 0.00227 |
| RA ascending node | 21.401 hr |
| Argument perigee | 192.279° |
| Mean anomaly | 6.990° |
| Orbital period | 1431.108 min |
| Epoch of osculation | 09 Mar 2026, 17:40 |
Derived Quantities
| Min Altitude | 35600.4 km |
| Mean Altitude | 35696.0 km |
| Peak Altitude | 35791.7 km |
Orbital History
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