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POLAR BEAR, 17070

Orbit data source: Space-Track

POLAR BEAR, 17070 is an American payload satellite in LEO that was launched on Fri, 14 Nov 1986 UTC via an SCOUT G-1 launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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<iframe src="https://www.satcat.com/sats-embedded/17070?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/17070?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

17070, 1986-088A

Orbit

LEO

Last TLE update

11 hours ago

Origin

United States Space Force (US)

Manufacturer

APL

Mission

Civil Science

Bus & Motor

TRANSIT 5, Unknown motor

Mass

114 kg wet, 114 kg dry

Launch date (UTC)

1986-11-14 (39 years ago)

Launch vehicle

SCOUT G-1

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Oct Cyl + 4 Pan + 1 Ant, Unknown HBR

Radar Cross Section

0.163 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 11 hours ago

0 POLAR BEAR
1 17070U 86088A   25192.51982764  .00000071  00000-0  62536-4 0  9990
2 17070  89.6145 189.9083 0037699 223.6626 249.4447 13.75212148938591

Epoch: 2025-07-11T12:28Z

TLE epoch observation values (Epoch: 2025-07-11T12:28:33.108Z)

Latitude

67.37095°

Longitude

-107.82028°

Altitude

1,002.501 km

Speed

7.352 km/s

True Right ascension

00h 35m 57s

True Declination

67° 15' 09"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

39.94539°

Longitude

-107.23935°

Altitude

982.804 km

Speed

7.366 km/s

Apparent Right ascension

00h 04m 20s

Apparent Declination

3° 28' 50"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

11:25:08

Azimuth

345.929° N

Elevation

-45.68°

Doppler factor

Orbital elements

Apogee altitude

1,005.663 km

Perigee altitude

950.2 km

Semi-major axis

7,356.068 km

Eccentricity

0.00377

Inclination

89.6145°

RAAN

189.9083°

Arg. of periapsis

223.6626°

True anomaly

Unknown

Mean anomaly

249.4447°

Eccentric anomaly

Unknown

Mean motion

3.44013 °/min

Orbital period

104.65 mins

BSTAR

0.000062536

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Other satellites on launch #88 in the year 1986 (1986-11-14 UTC)

POLAR BEAR Visibility forecast

Observer location: undefined°, undefined°

Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
11 mins	2025-07-12 00:15:11.519Z	176.503° S	2025-07-12 00:20:11.519Z	177.131° S	44.385°	2025-07-12 00:26:11.519Z	358.282° N
9 mins	2025-07-12 11:14:11.519Z	28.812° NE	2025-07-12 11:18:11.519Z	78.018° E	27.077°	2025-07-12 11:23:11.519Z	140.476° SSE
9 mins	2025-07-12 12:59:11.519Z	336.385° NNW	2025-07-12 13:03:11.519Z	277.821° WNW	31.313°	2025-07-12 13:08:11.519Z	217.172° SW
5 mins	2025-07-12 23:00:11.519Z	113.53° SE	2025-07-12 23:03:11.519Z	77.886° E	21.967°	2025-07-12 23:05:11.519Z	51.178° ENE

Authenticating...

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Check out POLAR BEAR, 17070 on other resources

View POLAR BEAR, 17070 on NASA - NSSDCA Website

View POLAR BEAR, 17070 on Heavens-Above

View POLAR BEAR, 17070 on Keep Track

View POLAR BEAR, 17070 on Celestrak

View POLAR BEAR, 17070 on Gunter's Space Page

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