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COSMOS 1831, 17586

Orbit data source: Space-Track

COSMOS 1831, 17586 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 13 Mar 1987 UTC via a TSIKLON-3 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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 URL

https://www.satcat.com/sats-embedded/17586?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

17586, 1987-026E

Orbit

LEO

Last TLE update

5 hours ago

Origin

Russian Space Forces (CIS)

Manufacturer

NPO PM

Mission

Defense Communications

Bus & Motor

STRELA-3, Unknown motor

Mass

225 kg wet, 225 kg dry

Launch date (UTC)

1987-03-13 (38 years ago)

Launch vehicle

TSIKLON-3

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.6 m

Radar Cross Section

1.257 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 5 hours ago

0 COSMOS 1831
1 17586U 87026E   25196.95991525  .00000012  00000-0  92698-5 0  9990
2 17586  82.5593  27.1162 0015404 167.4934   1.9048 12.65535611770908

Epoch: 2025-07-15T23:02Z

TLE epoch observation values (Epoch: 2025-07-15T23:02:16.677Z)

Latitude

10.45707°

Longitude

-73.87458°

Altitude

1,390.193 km

Speed

7.171 km/s

True Right ascension

13h 42m 58s

True Declination

10° 24' 03"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

81.58987°

Longitude

-134.16099°

Altitude

1,410.147 km

Speed

7.164 km/s

Apparent Right ascension

05h 43m 03s

Apparent Declination

33° 54' 09"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

16:56:36

Azimuth

350.021° N

Elevation

-15.405°

Doppler factor

Orbital elements

Apogee altitude

1,409.474 km

Perigee altitude

1,385.518 km

Semi-major axis

7,775.633 km

Eccentricity

0.00154

Inclination

82.5593°

RAAN

27.1162°

Arg. of periapsis

167.4934°

True anomaly

Unknown

Mean anomaly

1.9048°

Eccentric anomaly

Unknown

Mean motion

3.16548 °/min

Orbital period

113.73 mins

BSTAR

0.0000092698

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Other satellites on launch #26 in the year 1987 (1987-03-13 UTC)

COSMOS 1831 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.
8 mins	2025-07-16 11:35:01.250Z	106.277° ESE	2025-07-16 11:39:01.250Z	75.465° E	15.317°	2025-07-16 11:43:01.250Z	45.536° ENE
15 mins	2025-07-16 13:25:01.250Z	184.265° SSW	2025-07-16 13:32:01.250Z	161.761° S	44.926°	2025-07-16 13:40:01.250Z	8.122° NNE
9 mins	2025-07-16 15:24:01.250Z	263.613° W	2025-07-16 15:28:01.250Z	295.815° NW	17.351°	2025-07-16 15:33:01.250Z	334.757° NNW
13 mins	2025-07-16 23:26:01.250Z	14.512° NNE	2025-07-16 23:32:01.250Z	72.771° E	29.77°	2025-07-16 23:39:01.250Z	134.441° SE
13 mins	2025-07-17 01:21:01.250Z	335.334° NNW	2025-07-17 01:27:01.250Z	267.169° W	36.32°	2025-07-17 01:34:01.250Z	202.224° SSW

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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Check out COSMOS 1831, 17586 on other resources

View COSMOS 1831, 17586 on NASA - NSSDCA Website

View COSMOS 1831, 17586 on Heavens-Above

View COSMOS 1831, 17586 on Keep Track

View COSMOS 1831, 17586 on Celestrak

View COSMOS 1831, 17586 on Gunter's Space Page

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