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Spacecraft information: 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 | 12.224° |
| Eccentricity | 0.00288 |
| RA ascending node | 22.627 hr |
| Argument perigee | 275.037° |
| Mean anomaly | 93.998° |
| Orbital period | 1463.574 min |
| Epoch of osculation | 11 Dec 2025, 18:35 |
Derived Quantities
| Min Altitude | 36207.0 km |
| Mean Altitude | 36329.9 km |
| Peak Altitude | 36452.7 km |
Launched alongside
TITAN 34D TRANSTAGE R/BOrbital History
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