Spacecraft information: OSCAR 27
| 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 | 90.370° |
| Eccentricity | 0.01033 |
| RA ascending node | 5.808 hr |
| Argument perigee | 337.471° |
| Mean anomaly | 22.192° |
| Orbital period | 107.068 min |
| Epoch of osculation | 13 Jul 2026, 02:22 |
Derived Quantities
| Min Altitude | 1020.9 km |
| Mean Altitude | 1098.0 km |
| Peak Altitude | 1175.2 km |
Orbital History
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