POLAR BEAR

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite POLAR BEAR at a glance.

Uptime

14117

Days in orbit

Revolutions

≈ 13.8

Per day

Orbit

LEO

Low Earth Orbit

Inclination

89.6

Latest

Satellite identification and parameters

Extended collection of information and parameters for POLAR BEAR.

Object identification

Identified? True

Debris? False

Object name: POLAR BEAR

International designator: 1986-088A

Object number (NORAD): 17070

Object ID (CCSDS): 17070

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 104.711 minutes

Inclination: 89.6142 deg

SMA: 7359.057 km

Apoapsis: 1008.474 km

Periapsis: 953.37 km

RAAN: 190.0526 deg

Eccentricy: 0.003744

Argument of periapsis: 234.9042 deg

Mean anomaly: 185.3726 deg

Mean motion: 13.75211605 rev/day

Mean motion (dot): 0.00000087 rev/day2

B* drag term: 0.0000795 1/REarth

Two-line elements (TLE)

Creation date: July 8, 2025, 2:27 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 7, 2025, 10:39 p.m. UTC

TLE line 0: 0 POLAR BEAR

TLE line 1: 1 17070U 86088A 25188.94388991 .00000087 00000-0 79500-4 0 9990

TLE line 2: 2 17070 89.6142 190.0526 0037440 234.9042 185.3726 13.75211605938106

Live tracking on map

Real-time ground track for satellite POLAR BEAR.

In-orbit conjunctions

A list of the most updated potential collisions computed for object POLAR BEAR.

Target Orbit TCA Probability of collision Miss distance Type
THORAD AGENA D DEB SSO 2025-02-23 23:47:01 0.0002797955 821.0 (m) DEBRIS
COSMOS 1932 FUEL CORE LEO 2024-06-21 11:45:51 0.000347475 95.0 (m) PAYLOAD

Associated space launch

Military satellite designed to study interferences caused by solar flares and auroral activity

POLAR BEAR was lifted into orbit during the mission ‘Scout G-1 | Polar Bear’, on board a Scout G-1 space rocket.

The launch took place on Nov. 14, 1986, 12:23 a.m. from Space Launch Complex 5.

For more information about the launch, click the button.

Launch to space Scout G-1 | Polar Bear
Scout G-1 | Polar Bear

Agency: N/A

Status: Launch Successful

Launch date: Nov. 14, 1986, 12:23 a.m. UTC

Rocket: Scout G-1

Launch pad: Space Launch Complex 5

Location: Vandenberg SFB, CA, USA

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