COSMOS 2544 (GLONASS), 44850
Orbit data source: Space-Track
COSMOS 2544 (GLONASS), 44850 is a Commonwealth of Independent States-origin payload satellite in MEO that was launched on Wed, 11 Dec 2019 UTC via a SOYUZ-2-1B 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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44850 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
Resehetnev ISS
Mission
Operational Defense Navigation
Bus & Motor
URAGAN, Unknown motor
Mass
1,450 kg wet, ~1,200 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 1 Ant + 2 Pan, Unknown HBR
Radar Cross Section
8.467 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 COSMOS 2544 (GLONASS)
1 44850U 19088A 25350.01734634 -.00000055 00000-0 00000-0 0 9991
2 44850 65.4622 79.8485 0013832 249.7220 110.1429 2.13101973 46816Epoch: 2025-12-16T00:24Z
TLE epoch observation values (Epoch: 2025-12-16T00:24:58.723Z)
Latitude
0.00005°
Longitude
-11.29801°
Altitude
19,142.702 km
Speed
3.951 km/s
True Right ascension
05h 19m 25s
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
14:41:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
19,164.771 km
Perigee altitude
19,094.206 km
Semi-major axis
25,507.626 km
Eccentricity
0.00138
Inclination
65.4622°
RAAN
79.8485°
Arg. of periapsis
249.722°
True anomaly
110.29162°
Mean anomaly
110.1429°
Eccentric anomaly
110.21727°
Mean motion
0.53277 °/min
Orbital period
675.72 mins
BSTAR
0
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Other satellites on launch #88 in the year 2019 (2019-12-11 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 2544 (GLONASS) 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. |
|---|---|---|---|---|---|---|---|
| 24 mins | 2025-12-17 15:55:31.177Z | 128.574° SE | 2025-12-17 15:55:31.177Z | 128.574° SE | 18.964° | 2025-12-17 16:19:31.177Z | 136.699° SSE |
| 363 mins | 2025-12-18 08:07:31.177Z | 214.421° SW | 2025-12-18 10:41:31.177Z | 318.951° NNW | 41.396° | 2025-12-18 14:10:31.177Z | 104.168° ESE |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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