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USA 18
Launch Details
| Launched | 8 February 1986 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 16631 |
| COSPAR ID | 1986-014H |
| Observing |
Current orbital elements
| Inclination | 63.293° |
| Eccentricity | 0.08748 |
| RA ascending node | 3.723 hr |
| Argument perigee | 97.008° |
| Mean anomaly | 273.115° |
| Orbital period | 105.207 min |
| Epoch of osculation | 22 Apr 2024, 04:35 |
Derived Quantities
| Min Altitude | 365.5 km |
| Mean Altitude | 1011.3 km |
| Peak Altitude | 1657.1 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.