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OSCAR 27
Launch Details
| Launched | 15 September 1987 |
| Flight ended | – |
| Status | Unknown |
| Category |
Navy Navigation Satellite System (NNSS)
|
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 18361 |
| COSPAR ID | 1987-080A |
| Observing |
Current orbital elements
| Inclination | 90.371° |
| Eccentricity | 0.01036 |
| RA ascending node | 4.877 hr |
| Argument perigee | 341.374° |
| Mean anomaly | 18.363° |
| Orbital period | 107.074 min |
| Epoch of osculation | 29 Jun 2025, 16:59 |
Derived Quantities
| Min Altitude | 1021.0 km |
| Mean Altitude | 1098.3 km |
| Peak Altitude | 1175.7 km |
Orbital History
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