POLAR BEAR

NORAD 17070· COSPAR 1986-088A· Navigation· LEO

Live · TLE epoch 2026-06-10 00:45 UTC

Orbit class

LEO — Low Earth Orbit (circular, < 2,000 km)

Operator

United States Government

Country

United States

Manufacturer

The Johns Hopkins University Applied Physics Laboratory LLC

Launched

Nov 14, 1986

Mass

125 kg

Apogee

1,012 km

Perigee

957 km

Inclination

89.62°

Period

1.74 h

Launch

Launched on Nov 14, 1986 from Space Launch Complex 5, United States of America aboard a Scout G-1.

Scout G-1 | Polar Bear →

Summary from Wikipedia (CC-BY-SA 4.0)

Polar BEAR, short for Polar Beacon Experiment and Auroral Research, was a 1986 U.S. military space mission. Also known as STP P87-1 or STP P87-A, the craft was built for the Air Force by Johns Hopkins University's Applied Physics Laboratory (APL).

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