Spacecraft information: USA 25
| Launched | 14 May 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 18025 |
| COSPAR ID | 1987-043H |
| Observing |
Current orbital elements
| Inclination | 63.288° |
| Eccentricity | 0.08007 |
| RA ascending node | 10.552 hr |
| Argument perigee | 99.741° |
| Mean anomaly | 269.493° |
| Orbital period | 103.859 min |
| Epoch of osculation | 12 Dec 2025, 05:30 |
Derived Quantities
| Min Altitude | 362.1 km |
| Mean Altitude | 948.1 km |
| Peak Altitude | 1534.1 km |
Orbital History
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