Spacecraft information: USA 8
| Launched | 23 January 1985 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 15543 |
| COSPAR ID | 1985-010B |
| Observing |
Current orbital elements
| Inclination | 12.590° |
| Eccentricity | 0.01262 |
| RA ascending node | 20.881 hr |
| Argument perigee | 58.050° |
| Mean anomaly | 135.198° |
| Orbital period | 1442.560 min |
| Epoch of osculation | 21 Jul 2026, 03:33 |
Derived Quantities
| Min Altitude | 35386.2 km |
| Mean Altitude | 35920.1 km |
| Peak Altitude | 36454.0 km |
Orbital History
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