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Spacecraft information: 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 | 89.622° |
| Eccentricity | 0.00378 |
| RA ascending node | 12.106 hr |
| Argument perigee | 317.954° |
| Mean anomaly | 62.295° |
| Orbital period | 104.707 min |
| Epoch of osculation | 05 Feb 2026, 07:40 |
Derived Quantities
| Min Altitude | 960.0 km |
| Mean Altitude | 987.9 km |
| Peak Altitude | 1015.7 km |
Orbital History
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