Spacecraft information: USA 22
| Launched | 14 May 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 17997 |
| COSPAR ID | 1987-043A |
| Observing |
Current orbital elements
| Inclination | 63.289° |
| Eccentricity | 0.07012 |
| RA ascending node | 15.178 hr |
| Argument perigee | 105.528° |
| Mean anomaly | 262.428° |
| Orbital period | 102.225 min |
| Epoch of osculation | 02 Feb 2026, 06:29 |
Derived Quantities
| Min Altitude | 363.3 km |
| Mean Altitude | 871.1 km |
| Peak Altitude | 1379.0 km |
Orbital History
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