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 | 8.751° |
| Eccentricity | 0.00231 |
| RA ascending node | 21.379 hr |
| Argument perigee | 192.495° |
| Mean anomaly | 357.761° |
| Orbital period | 1431.419 min |
| Epoch of osculation | 21 May 2026, 06:27 |
Derived Quantities
| Min Altitude | 35605.0 km |
| Mean Altitude | 35702.1 km |
| Peak Altitude | 35799.3 km |
Orbital History
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