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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 | 0.08021 |
| RA ascending node | 10.761 hr |
| Argument perigee | 101.665° |
| Mean anomaly | 267.545° |
| Orbital period | 104.073 min |
| Epoch of osculation | 11 Dec 2025, 20:03 |
Derived Quantities
| Min Altitude | 370.2 km |
| Mean Altitude | 958.1 km |
| Peak Altitude | 1546.0 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.