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USA 23
Launch Details
| Launched | 14 May 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 18009 |
| COSPAR ID | 1987-043E |
| Observing |
Current orbital elements
| Inclination | 63.294° |
| Eccentricity | 0.08138 |
| RA ascending node | 3.107 hr |
| Argument perigee | 99.947° |
| Mean anomaly | 269.433° |
| Orbital period | 104.244 min |
| Epoch of osculation | 14 Sep 2025, 17:39 |
Derived Quantities
| Min Altitude | 369.0 km |
| Mean Altitude | 966.1 km |
| Peak Altitude | 1563.2 km |
Orbital History
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