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: 14 hours ago
TLE from 14 hours ago
0 COSMOS 1831
1 17586U 87026E 25312.26979674 .00000011 00000-0 40577-5 0 9993
2 17586 82.5572 312.9202 0014022 268.4148 102.5988 12.65539686785496Epoch: 2025-11-08T06:28Z
TLE epoch observation values (Epoch: 2025-11-08T06:28:30.438Z)
Latitude
11.02959°
Longitude
169.54343°
Altitude
1,404.542 km
Speed
7.158 km/s
True Right ascension
20h 57m 29s
True Declination
10° 58' 14"
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
16:35:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,408.382 km
Perigee altitude
1,386.576 km
Semi-major axis
7,775.616 km
Eccentricity
0.0014
Inclination
82.5572°
RAAN
312.9202°
Arg. of periapsis
268.4148°
True anomaly
102.75555°
Mean anomaly
102.5988°
Eccentric anomaly
102.67718°
Mean motion
3.16549 °/min
Orbital period
113.73 mins
BSTAR
0.0000040577
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-11-08 23:36:19.726Z | 135.354° SSE | 2025-11-08 23:42:19.726Z | 83.5° E | 25.939° | 2025-11-08 23:48:19.726Z | 31.765° NE |
| 14 mins | 2025-11-09 01:30:19.726Z | 209.405° SW | 2025-11-09 01:36:19.726Z | 277.235° WNW | 39.795° | 2025-11-09 01:44:19.726Z | 359.214° N |
| 14 mins | 2025-11-09 11:30:19.726Z | 3.834° NNE | 2025-11-09 11:36:19.726Z | 71.272° E | 40.634° | 2025-11-09 11:44:19.726Z | 156.591° SSE |
| 11 mins | 2025-11-09 13:25:19.726Z | 324.356° NNW | 2025-11-09 13:30:19.726Z | 281.086° WNW | 24.793° | 2025-11-09 13:36:19.726Z | 228.102° WSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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