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: 1 day ago
TLE from 1 day ago
0 COSMOS 2544 (GLONASS)
1 44850U 19088A 25258.04219513 .00000037 00000-0 00000-0 0 9994
2 44850 65.4109 82.9235 0011585 247.1420 112.7878 2.13101907 44856Epoch: 2025-09-15T01:00Z
TLE epoch observation values (Epoch: 2025-09-15T01:00:45.659Z)
Latitude
-0°
Longitude
73.47679°
Altitude
19,141.903 km
Speed
3.951 km/s
True Right ascension
05h 31m 40s
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
03:49:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
19,159.046 km
Perigee altitude
19,099.945 km
Semi-major axis
25,507.633 km
Eccentricity
0.00116
Inclination
65.4109°
RAAN
82.9235°
Arg. of periapsis
247.142°
True anomaly
112.91012°
Mean anomaly
112.7878°
Eccentric anomaly
112.84897°
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
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 187 mins | 2025-09-16 11:07:27.685Z | 130.775° SE | 2025-09-16 12:11:27.685Z | 80.605° E | 40.376° | 2025-09-16 14:14:27.685Z | 32.486° NE |
| 216 mins | 2025-09-17 00:28:27.685Z | 332.229° NNW | 2025-09-17 02:15:27.685Z | 286.813° WNW | 35.561° | 2025-09-17 04:04:27.685Z | 229.135° WSW |
| 117 mins | 2025-09-17 09:10:27.685Z | 120.064° SE | 2025-09-17 10:50:27.685Z | 67.557° E | 32.173° | 2025-09-17 11:07:27.685Z | 55.887° ENE |
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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