COSMOS 2546, 45608
Orbit data source: Space-Track
COSMOS 2546, 45608 is a payload satellite owned by VVKO VKS (CIS) 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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Identifier
Orbit
Country
CISRelated business
Manufacturer
RKKE/KOMET
Mission
Operational Defense Early Warn
Bus & Motor
14F142 EKS, 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: 1 day ago
TLE from 1 day ago
0 COSMOS 2546
1 45608U 20031A 26201.91727730 -.00000355 00000-0 00000+0 0 9999
2 45608 63.1629 62.2660 7098870 266.4538 17.4238 2.00595231 45143Epoch: 2026-07-20T22:00Z
TLE epoch observation values (Epoch: 2026-07-20T22:00:52.758Z)
Latitude
-0.0001°
Longitude
153.40565°
Altitude
7,408.455 km
Speed
6.544 km/s
True Right ascension
04h 09m 16s
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
17:39:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
39,030.734 km
Perigee altitude
1,326.292 km
Semi-major axis
26,556.65 km
Eccentricity
0.70989
Inclination
63.1629°
RAAN
62.266°
Arg. of periapsis
266.4538°
True anomaly
93.54782°
Mean anomaly
17.4238°
Eccentric anomaly
47.32963°
Mean motion
0.50151 °/min
Orbital period
717.83 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
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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. |
|---|---|---|---|---|---|---|---|
| 173 mins | 2026-07-22 04:40:05.670Z | 327.932° NNW | 2026-07-22 04:40:05.670Z | 327.932° NNW | 21.481° | 2026-07-22 07:33:05.670Z | 309.324° NW |
| 545 mins | 2026-07-22 10:51:05.670Z | 65.208° ENE | 2026-07-22 15:12:05.670Z | 35.55° NE | 28.414° | 2026-07-22 19:56:05.670Z | 62.361° ENE |
| 317 mins | 2026-07-22 23:23:05.670Z | 308.305° NW | 2026-07-23 04:05:05.670Z | 328.701° NNW | 21.596° | 2026-07-23 04:40:05.670Z | 327.793° 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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