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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 | 12.140° |
| Eccentricity | 0.00269 |
| RA ascending node | 22.592 hr |
| Argument perigee | 279.784° |
| Mean anomaly | 253.235° |
| Orbital period | 1463.627 min |
| Epoch of osculation | 14 Mar 2026, 17:26 |
Derived Quantities
| Min Altitude | 36216.2 km |
| Mean Altitude | 36330.9 km |
| Peak Altitude | 36445.6 km |
Launched alongside
TITAN 34D TRANSTAGE R/BOrbital History
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