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POLAR BEAR
Launch Details
| Launched | 13 November 1986 |
| Flight ended | – |
| Status | Unknown |
| Category |
Navy Navigation Satellite System (NNSS)
|
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 17070 |
| COSPAR ID | 1986-088A |
| Observing |
Current orbital elements
| Inclination | 89.621° |
| Eccentricity | 0.00415 |
| RA ascending node | 12.530 hr |
| Argument perigee | 79.180° |
| Mean anomaly | 37.133° |
| Orbital period | 104.710 min |
| Epoch of osculation | 29 Aug 2025, 06:28 |
Derived Quantities
| Min Altitude | 957.5 km |
| Mean Altitude | 988.0 km |
| Peak Altitude | 1018.6 km |
Orbital History
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