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Spacecraft information: USA 75
Launch Details
| Launched | 23 November 1991 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21805 |
| COSPAR ID | 1991-080B |
| Alternative names |
DSP 16 |
| Observing |
Current orbital elements
| Inclination | 14.000° |
| Eccentricity | 0.00045 |
| RA ascending node | 23.031 hr |
| Argument perigee | 93.385° |
| Mean anomaly | 84.314° |
| Orbital period | 1451.756 min |
| Epoch of osculation | 22 Jun 2026, 17:48 |
Derived Quantities
| Min Altitude | 36080.5 km |
| Mean Altitude | 36099.7 km |
| Peak Altitude | 36118.8 km |
Orbital History
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