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 months ago
TLE from 2 months ago
0 COSMOS 2553
1 51511U 22011A 25213.46114525 -.00000037 00000-0 -59531-4 0 9999
2 51511 67.0917 125.5724 0003887 266.5691 93.4808 11.32845047144222Epoch: 2025-08-01T11:04Z
TLE epoch observation values (Epoch: 2025-08-01T11:04:02.949Z)
Latitude
0.00005°
Longitude
9.2488°
Altitude
1,998.314 km
Speed
6.9 km/s
True Right ascension
08h 22m 17s
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
06:00:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,998.111 km
Perigee altitude
1,991.601 km
Semi-major axis
8,372.993 km
Eccentricity
0.00039
Inclination
67.0917°
RAAN
125.5724°
Arg. of periapsis
266.5691°
True anomaly
93.52526°
Mean anomaly
93.4808°
Eccentric anomaly
93.50303°
Mean motion
2.83284 °/min
Orbital period
127.08 mins
BSTAR
-0.000059531
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Other satellites on launch #11 in the year 2022 (2022-02-05 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 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. |
|---|---|---|---|---|---|---|---|
| 17 mins | 2025-09-17 14:44:51.529Z | 277.252° WNW | 2025-09-17 14:53:51.529Z | 331.725° NNW | 23.035° | 2025-09-17 15:01:51.529Z | 18.9° NNE |
| 11 mins | 2025-09-17 17:05:51.529Z | 336.856° NNW | 2025-09-17 17:10:51.529Z | 5.219° NNE | 15.271° | 2025-09-17 17:16:51.529Z | 38.441° NE |
| 18 mins | 2025-09-17 19:18:51.529Z | 343.173° N | 2025-09-17 19:27:51.529Z | 43.027° NE | 28.285° | 2025-09-17 19:36:51.529Z | 98.994° ESE |
| 21 mins | 2025-09-17 21:29:51.529Z | 329.309° NNW | 2025-09-17 21:39:51.529Z | 270.642° WNW | 44.625° | 2025-09-17 21:50:51.529Z | 159.908° S |
| 11 mins | 2025-09-17 23:44:51.529Z | 293.106° NW | 2025-09-17 23:49:51.529Z | 263.575° W | 17.137° | 2025-09-17 23:55:51.529Z | 229.823° WSW |
| 12 mins | 2025-09-18 09:41:51.529Z | 128.218° SE | 2025-09-18 09:47:51.529Z | 93.353° ESE | 17.487° | 2025-09-18 09:53:51.529Z | 59.635° ENE |
| 21 mins | 2025-09-18 11:46:51.529Z | 200.586° SSW | 2025-09-18 11:56:51.529Z | 129.707° SE | 44.745° | 2025-09-18 12:07:51.529Z | 30.426° NE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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