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Spacecraft information: 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 | 63.295° |
| Eccentricity | 0.07498 |
| RA ascending node | 19.508 hr |
| Argument perigee | 113.197° |
| Mean anomaly | 254.983° |
| Orbital period | 103.381 min |
| Epoch of osculation | 21 Jul 2026, 05:00 |
Derived Quantities
| Min Altitude | 378.5 km |
| Mean Altitude | 925.6 km |
| Peak Altitude | 1472.7 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.