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 | 8.621° |
| Eccentricity | 0.00235 |
| RA ascending node | 21.353 hr |
| Argument perigee | 195.543° |
| Mean anomaly | 179.139° |
| Orbital period | 1431.160 min |
| Epoch of osculation | 12 Aug 2026, 06:29 |
Derived Quantities
| Min Altitude | 35598.2 km |
| Mean Altitude | 35697.0 km |
| Peak Altitude | 35795.9 km |
Orbital History
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