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Spacecraft information: USA 23
Launch Details
| Launched | 14 May 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 18009 |
| COSPAR ID | 1987-043E |
| Observing |
Current orbital elements
| Inclination | 63.292° |
| Eccentricity | 0.07926 |
| RA ascending node | 18.348 hr |
| Argument perigee | 103.377° |
| Mean anomaly | 265.681° |
| Orbital period | 103.938 min |
| Epoch of osculation | 10 Mar 2026, 00:36 |
Derived Quantities
| Min Altitude | 371.3 km |
| Mean Altitude | 951.8 km |
| Peak Altitude | 1532.2 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.