Spacecraft information: IUS R/B(1)
| Launched | 28 September 1988 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19549 |
| COSPAR ID | 1988-091C |
| Observing |
Current orbital elements
| Inclination | 26.566° |
| Eccentricity | 0.67904 |
| RA ascending node | 18.480 hr |
| Argument perigee | 171.751° |
| Mean anomaly | 211.339° |
| Orbital period | 495.803 min |
| Epoch of osculation | 10 May 2026, 05:41 |
Derived Quantities
| Min Altitude | 289.1 km |
| Mean Altitude | 14379.7 km |
| Peak Altitude | 28470.3 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.