Spacecraft information: IUS R/B(2)
| Launched | 28 September 1988 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19550 |
| COSPAR ID | 1988-091D |
| Observing |
Current orbital elements
| Inclination | 12.345° |
| Eccentricity | 0.00206 |
| RA ascending node | 22.119 hr |
| Argument perigee | 304.107° |
| Mean anomaly | 246.522° |
| Orbital period | 1433.106 min |
| Epoch of osculation | 26 Feb 2026, 05:21 |
Derived Quantities
| Min Altitude | 35648.4 km |
| Mean Altitude | 35735.2 km |
| Peak Altitude | 35822.0 km |
Orbital History
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