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USA 28
Launch Details
| Launched | 28 November 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 18583 |
| COSPAR ID | 1987-097A |
| Alternative names |
DSP 13 |
| Observing |
Current orbital elements
| Inclination | 13.620° |
| Eccentricity | 0.00225 |
| RA ascending node | 23.281 hr |
| Argument perihelion | 233.281° |
| Mean anomaly | 145.795° |
| Orbital period | 1463.590 min |
| Epoch of osculation | 17 Oct 2021, 09:29 |
Derived Quantities
| Min Altitude | 36234.2 km |
| Mean Altitude | 36330.2 km |
| Peak Altitude | 36426.1 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.
Launched alongside
TITAN 34D TRANSTAGE R/B