COSMOS 2546, 45608
Orbit data source: Space-Track
COSMOS 2546, 45608 is a payload satellite owned by VVKO VKS (CIS) in HEO that was launched on Fri, 22 May 2020 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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45608 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
RKKE/KOMET
Mission
Operational Defense Early Warn
Bus & Motor
14F142, Unknown motor
Mass
2,550 kg wet, ~2,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, Unknown HBR
Radar Cross Section
14.304 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 COSMOS 2546
1 45608U 20031A 25309.19224293 .00000262 00000-0 00000-0 0 9990
2 45608 63.1472 94.4999 6968185 265.3584 19.0882 2.00548926 39970Epoch: 2025-11-05T04:36Z
TLE epoch observation values (Epoch: 2025-11-05T04:36:49.789Z)
Latitude
-0.00001°
Longitude
-19.45897°
Altitude
8,124.855 km
Speed
6.322 km/s
True Right ascension
06h 17m 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
20:44:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
38,690.7 km
Perigee altitude
1,674.603 km
Semi-major axis
26,560.789 km
Eccentricity
0.69682
Inclination
63.1472°
RAAN
94.4999°
Arg. of periapsis
265.3584°
True anomaly
94.83744°
Mean anomaly
19.0882°
Eccentric anomaly
49.40352°
Mean motion
0.5014 °/min
Orbital period
717.99 mins
BSTAR
0
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Other satellites on launch #31 in the year 2020 (2020-05-22 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 2546 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. |
|---|---|---|---|---|---|---|---|
| 106 mins | 2025-11-07 00:39:09.287Z | 320.295° NNW | 2025-11-07 00:39:09.287Z | 320.295° NNW | 22.172° | 2025-11-07 02:25:09.287Z | 298.816° NW |
| 505 mins | 2025-11-07 05:43:09.287Z | 58.968° ENE | 2025-11-07 09:43:09.287Z | 34.972° NE | 26.538° | 2025-11-07 14:08:09.287Z | 53.878° ENE |
| 419 mins | 2025-11-07 17:40:09.287Z | 300.665° NW | 2025-11-07 23:04:09.287Z | 326.651° NNW | 23.647° | 2025-11-08 00:39:09.287Z | 319.881° NNW |
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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