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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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Identifier
45608, 2020-031A
Orbit
HEO
Last TLE update
6 days ago
Origin
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)
2020-05-22 (5 years ago)
Launch vehicle
SOYUZ-2-1B
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 2 Pan, Unknown HBR
Radar Cross Section
14.304 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 6 days ago
0 COSMOS 2546
1 45608U 20031A   25181.58221127  .00000268  00000-0  00000-0 0  9990
2 45608  63.1145 109.3876 6896908 265.0776  19.7954  2.00602345 37410
Epoch: 2025-06-30T13:58Z
TLE epoch observation values (Epoch: 2025-06-30T13:58:23.053Z)
Latitude
-0.00002°
Longitude
-19.07416°
Altitude
8,464.1 km
Speed
6.222 km/s
True Right ascension
07h 17m 38s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
49.39959°
Longitude
16.47675°
Altitude
29,888.097 km
Speed
2.642 km/s
Apparent Right ascension
08h 53m 20s
Apparent Declination
43° 58' 48"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
15:48:27
Azimuth
312.596° NW
Elevation
18.309°
Doppler factor
1
Orbital elements
Apogee altitude
38,493.461 km
Perigee altitude
1,862.465 km
Semi-major axis
26,556.1 km
Eccentricity
0.68969
Inclination
63.1145°
RAAN
109.3876°
Arg. of periapsis
265.0776°
True anomaly
Unknown
Mean anomaly
19.7954°
Eccentric anomaly
Unknown
Mean motion
0.50153 °/min
Orbital period
717.8 mins
BSTAR
0
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Other satellites on launch #31 in the year 2020 (2020-05-22 UTC)

COSMOS 2546 Visibility forecast

Observer location: undefined°, undefined°

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.
458 mins2025-07-06 03:51:22.569Z312.582° NW2025-07-06 08:17:22.569Z326.277° NNW23.839°2025-07-06 11:29:22.569Z296.83° NW
497 mins2025-07-06 14:48:22.569Z58.989° ENE2025-07-06 18:43:22.569Z35.09° NE26.451°2025-07-06 23:05:22.569Z52.578° ENE
67 mins2025-07-07 02:44:22.569Z300.384° NW2025-07-07 03:51:22.569Z313.244° NW17.716°2025-07-07 03:51:22.569Z313.244° NW
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