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 89.626°
Eccentricity 0.00394
RA ascending node 11.993 hr
Argument perigee 182.551°
Mean anomaly 188.407°
Orbital period 104.707 min
Epoch of osculation 20 Mar 2026, 12:51

See historical orbital elements »

Derived Quantities

Min Altitude 958.8 km
Mean Altitude 987.8 km
Peak Altitude 1016.9 km

Launched alongside

SCOUT G-1 R/B SCOUT G-1 DEB SCOUT G-1 DEB SCOUT G-1 DEB

Orbital History

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme


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Last updated: 20 Mar 2026, 19:19 UTC
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