COSMOS 2531, 43752
Orbit data source: Space-Track
COSMOS 2531, 43752 is a payload satellite owned by VVKO VKS (CIS) in LEO that was launched on Fri, 30 Nov 2018 UTC via an ROKOT 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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43752 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
Resehetnev ISS
Mission
Operational Defense Communications
Bus & Motor
STRELA-3M, Unknown motor
Mass
280 kg wet, 280 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 1 Ant, 3.5 m
Radar Cross Section
1.583 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 COSMOS 2531
1 43752U 18097B 26035.82278431 .00000050 00000-0 29314-3 0 9994
2 43752 82.5226 305.4692 0017017 346.8186 13.2447 12.42907561325861Epoch: 2026-02-04T19:44Z
TLE epoch observation values (Epoch: 2026-02-04T19:44:48.564Z)
Latitude
-0°
Longitude
-125.71699°
Altitude
1,483.961 km
Speed
7.128 km/s
True Right ascension
20h 21m 52s
True Declination
0° 00' 00"
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
02:23:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,505.044 km
Perigee altitude
1,478.26 km
Semi-major axis
7,869.789 km
Eccentricity
0.0017
Inclination
82.5226°
RAAN
305.4692°
Arg. of periapsis
346.8186°
True anomaly
13.28947°
Mean anomaly
13.2447°
Eccentric anomaly
13.26708°
Mean motion
3.10884 °/min
Orbital period
115.8 mins
BSTAR
0.00029314
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Other satellites on launch #97 in the year 2018 (2018-11-30 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 2531 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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2026-02-05 04:05:16.103Z | 17.139° NNE | 2026-02-05 04:11:16.103Z | 61.886° ENE | 21.456° | 2026-02-05 04:18:16.103Z | 115.303° SE |
| 15 mins | 2026-02-05 06:02:16.103Z | 347.853° N | 2026-02-05 06:09:16.103Z | 273.292° WNW | 44.046° | 2026-02-05 06:17:16.103Z | 183.489° SSW |
| 5 mins | 2026-02-05 08:02:16.103Z | 301.742° NW | 2026-02-05 08:04:16.103Z | 287.591° WNW | 12.698° | 2026-02-05 08:07:16.103Z | 266.395° W |
| 12 mins | 2026-02-05 17:07:16.103Z | 128.172° SE | 2026-02-05 17:13:16.103Z | 77.617° E | 23.885° | 2026-02-05 17:19:16.103Z | 31.749° NE |
| 15 mins | 2026-02-05 19:02:16.103Z | 203.389° SW | 2026-02-05 19:09:16.103Z | 291.755° WNW | 41.828° | 2026-02-05 19:17:16.103Z | 1.621° NNE |
| 4 mins | 2026-02-05 21:06:16.103Z | 292.865° NW | 2026-02-05 21:07:16.103Z | 299.856° NW | 11.28° | 2026-02-05 21:10:16.103Z | 320.632° NNW |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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