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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17586 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-3, Unknown motor
Mass
225 kg wet, 225 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 0.8 m
Radar Cross Section
1.257 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 COSMOS 1831
1 17586U 87026E 25358.04396361 .00000044 00000-0 17984-3 0 9995
2 17586 82.5602 283.4536 0015281 160.0721 211.3233 12.65541474791288Epoch: 2025-12-24T01:03Z
TLE epoch observation values (Epoch: 2025-12-24T01:03:18.455Z)
Latitude
11.16336°
Longitude
176.27705°
Altitude
1,412.3 km
Speed
7.15 km/s
True Right ascension
18h 59m 41s
True Declination
11° 06' 13"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
09:02:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,409.354 km
Perigee altitude
1,385.59 km
Semi-major axis
7,775.609 km
Eccentricity
0.00153
Inclination
82.5602°
RAAN
283.4536°
Arg. of periapsis
160.0721°
True anomaly
211.23242°
Mean anomaly
211.3233°
Eccentric anomaly
211.27784°
Mean motion
3.16549 °/min
Orbital period
113.73 mins
BSTAR
0.00017984
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Other satellites on launch #26 in the year 1987 (1987-03-13 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.COSMOS 1831 Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-12-24 18:13:03.937Z | 113.311° SE | 2025-12-24 18:17:03.937Z | 81.555° E | 17.905° | 2025-12-24 18:22:03.937Z | 42.026° NE |
| 15 mins | 2025-12-24 20:04:03.937Z | 190.468° SSW | 2025-12-24 20:11:03.937Z | 286.734° WNW | 44.678° | 2025-12-24 20:19:03.937Z | 5.843° NNE |
| 7 mins | 2025-12-24 22:04:03.937Z | 274.761° WNW | 2025-12-24 22:07:03.937Z | 298.362° NW | 14.973° | 2025-12-24 22:11:03.937Z | 328.857° NNW |
| 13 mins | 2025-12-25 06:05:03.937Z | 13.383° NNE | 2025-12-25 06:11:03.937Z | 77.881° E | 32.722° | 2025-12-25 06:18:03.937Z | 140.306° SSE |
| 13 mins | 2025-12-25 07:59:03.937Z | 334.974° NNW | 2025-12-25 08:05:03.937Z | 279.544° WNW | 33.169° | 2025-12-25 08:12:03.937Z | 209.508° SW |
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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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