COSMOS 2561, 54109
Orbit data source: Space-Track
COSMOS 2561, 54109 is a payload satellite owned by MO RF (CIS) in SSO that was launched on Fri, 21 Oct 2022 UTC via a SOYUZ-2-1V 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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54109 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
VNIIEM
Mission
Operational Defense Technology
Bus & Motor
EMKA, Unknown motor
Mass
~500 kg wet, 500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 1.5 m
Radar Cross Section
3.727 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 COSMOS 2561
1 54109U 22137A 26172.54712164 .00011071 00000-0 18648-3 0 9992
2 54109 96.9173 231.3852 0010077 21.1756 338.9912 15.51796509207021Epoch: 2026-06-21T13:07Z
TLE epoch observation values (Epoch: 2026-06-21T13:07:51.309Z)
Latitude
-0.00012°
Longitude
124.6756°
Altitude
408.24 km
Speed
7.669 km/s
True Right ascension
15h 25m 32s
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
21:32:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
415.223 km
Perigee altitude
401.545 km
Semi-major axis
6,786.521 km
Eccentricity
0.00101
Inclination
96.9173°
RAAN
231.3852°
Arg. of periapsis
21.1756°
True anomaly
338.94975°
Mean anomaly
338.9912°
Eccentric anomaly
338.97048°
Mean motion
3.88215 °/min
Orbital period
92.73 mins
BSTAR
0.00018648
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Other satellites on launch #137 in the year 2022 (2022-10-21 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 2561 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 16:00:51.850Z | 55.24° ENE | 2026-06-22 16:02:51.850Z | 97.834° ESE | 16.441° | 2026-06-22 16:04:51.850Z | 137.516° SSE |
| 4 mins | 2026-06-23 03:57:51.850Z | 161.095° S | 2026-06-23 03:59:51.850Z | 27.674° NE | 43.397° | 2026-06-23 04:01:51.850Z | 352.861° N |
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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