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, 5.0 m
Radar Cross Section
14.304 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 week ago
TLE from 1 week ago
0 COSMOS 2546
1 45608U 20031A 26209.39499975 -.00000330 00000-0 00000-0 0 9990
2 45608 63.1640 61.2919 7101710 266.4883 17.3947 2.00592434 45297Epoch: 2026-07-28T09:28Z
TLE epoch observation values (Epoch: 2026-07-28T09:28:47.978Z)
Latitude
-0.00003°
Longitude
-26.90882°
Altitude
7,378.694 km
Speed
6.553 km/s
True Right ascension
04h 05m 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
10:27:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
39,038.696 km
Perigee altitude
1,318.822 km
Semi-major axis
26,556.896 km
Eccentricity
0.71017
Inclination
63.164°
RAAN
61.2919°
Arg. of periapsis
266.4883°
True anomaly
93.5357°
Mean anomaly
17.3947°
Eccentric anomaly
47.29658°
Mean motion
0.50151 °/min
Orbital period
717.84 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. |
|---|---|---|---|---|---|---|---|
| 483 mins | 2026-08-04 22:27:49.830Z | 308.651° NW | 2026-08-05 03:09:49.830Z | 328.814° NNW | 21.424° | 2026-08-05 06:30:49.830Z | 310.276° NW |
| 549 mins | 2026-08-05 09:48:49.830Z | 66.238° ENE | 2026-08-05 14:11:49.830Z | 35.623° NE | 28.581° | 2026-08-05 18:57:49.830Z | 63.096° ENE |
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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