COSMOS 2553, 51511
Orbit data source: Space-Track
COSMOS 2553, 51511 is a payload satellite owned by VVKO VKS (CIS) in LEO that was launched on Sat, 05 Feb 2022 UTC via a SOYUZ-2-1A 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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51511 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
Resehetnev ISS
Mission
Non-operational Defense Radar Imaging
Bus & Motor
MERIDIAN?, Unknown motor
Mass
~2,000 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: 2 days ago
TLE from 2 days ago
0 COSMOS 2553
1 51511U 22011A 25312.78005270 -.00000028 00000-0 18766-3 0 9993
2 51511 67.0945 337.1133 0003690 267.5024 92.5496 11.32844689155474Epoch: 2025-11-08T18:43Z
TLE epoch observation values (Epoch: 2025-11-08T18:43:16.553Z)
Latitude
-0.00005°
Longitude
8.08955°
Altitude
1,998.256 km
Speed
6.9 km/s
True Right ascension
22h 28m 27s
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
13:18:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,997.947 km
Perigee altitude
1,991.768 km
Semi-major axis
8,372.994 km
Eccentricity
0.00037
Inclination
67.0945°
RAAN
337.1133°
Arg. of periapsis
267.5024°
True anomaly
92.59184°
Mean anomaly
92.5496°
Eccentric anomaly
92.57072°
Mean motion
2.83284 °/min
Orbital period
127.08 mins
BSTAR
0.00018766
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Other satellites on launch #11 in the year 2022 (2022-02-05 UTC)
No other RSOs were in this launch
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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 2553 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. |
|---|---|---|---|---|---|---|---|
| 20 mins | 2025-11-11 01:52:33.172Z | 170.903° S | 2025-11-11 02:02:33.172Z | 103.171° ESE | 34.749° | 2025-11-11 02:12:33.172Z | 39.675° NE |
| 21 mins | 2025-11-11 04:03:33.172Z | 233.177° WSW | 2025-11-11 04:13:33.172Z | 309.579° NW | 39.266° | 2025-11-11 04:24:33.172Z | 24.245° NE |
| 14 mins | 2025-11-11 06:21:33.172Z | 298.001° NW | 2025-11-11 06:28:33.172Z | 339.338° N | 18.904° | 2025-11-11 06:35:33.172Z | 19.429° NNE |
| 12 mins | 2025-11-11 08:40:33.172Z | 343.186° N | 2025-11-11 08:46:33.172Z | 18.137° NNE | 16.774° | 2025-11-11 08:52:33.172Z | 51.841° ENE |
| 19 mins | 2025-11-11 10:52:33.172Z | 341.427° N | 2025-11-11 11:01:33.172Z | 44.872° NE | 34.622° | 2025-11-11 11:11:33.172Z | 115.069° SE |
| 20 mins | 2025-11-11 13:03:33.172Z | 323.513° NNW | 2025-11-11 13:13:33.172Z | 249.31° W | 40.357° | 2025-11-11 13:23:33.172Z | 176.884° S |
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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