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USA 74
Launch Details
| Launched | 7 November 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 21799 |
| COSPAR ID | 1991-076C |
| Observing |
Current orbital elements
| Inclination | 63.300° |
| Eccentricity | 0.08916 |
| RA ascending node | 0.813 hr |
| Argument perigee | 66.455° |
| Mean anomaly | 302.754° |
| Orbital period | 106.152 min |
| Epoch of osculation | 28 Jun 2025, 12:11 |
Derived Quantities
| Min Altitude | 393.3 km |
| Mean Altitude | 1055.4 km |
| Peak Altitude | 1717.6 km |
Orbital History
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