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: 10 hours ago
TLE from 10 hours ago
0 COSMOS 2553
1 51511U 22011A 25312.42691880 -.00000027 00000-0 23411-3 0 9994
2 51511 67.0946 337.6412 0003689 267.4078 92.6442 11.32844682155437Epoch: 2025-11-08T10:14Z
TLE epoch observation values (Epoch: 2025-11-08T10:14:45.784Z)
Latitude
-0.00006°
Longitude
136.09372°
Altitude
1,998.261 km
Speed
6.9 km/s
True Right ascension
22h 30m 33s
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
16:43:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,997.946 km
Perigee altitude
1,991.769 km
Semi-major axis
8,372.994 km
Eccentricity
0.00037
Inclination
67.0946°
RAAN
337.6412°
Arg. of periapsis
267.4078°
True anomaly
92.68643°
Mean anomaly
92.6442°
Eccentric anomaly
92.66531°
Mean motion
2.83284 °/min
Orbital period
127.08 mins
BSTAR
0.00023411
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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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2025-11-09 01:10:41.875Z | 134.45° SE | 2025-11-09 01:17:41.875Z | 94.903° ESE | 18.125° | 2025-11-09 01:23:41.875Z | 60.373° ENE |
| 20 mins | 2025-11-09 03:17:41.875Z | 201.65° SSW | 2025-11-09 03:26:41.875Z | 155.55° SSE | 44.768° | 2025-11-09 03:37:41.875Z | 30.102° NE |
| 18 mins | 2025-11-09 05:31:41.875Z | 266.686° W | 2025-11-09 05:39:41.875Z | 319.056° NNW | 27.655° | 2025-11-09 05:49:41.875Z | 20.96° NNE |
| 11 mins | 2025-11-09 07:51:41.875Z | 327.791° NNW | 2025-11-09 07:56:41.875Z | 356.079° N | 15.196° | 2025-11-09 08:02:41.875Z | 29.279° NE |
| 16 mins | 2025-11-09 10:06:41.875Z | 346.146° N | 2025-11-09 10:13:41.875Z | 29.903° NE | 23.588° | 2025-11-09 10:22:41.875Z | 84.599° E |
| 21 mins | 2025-11-09 12:17:41.875Z | 333.792° NNW | 2025-11-09 12:27:41.875Z | 61.271° ENE | 44.313° | 2025-11-09 12:38:41.875Z | 146.25° SSE |
| 15 mins | 2025-11-09 14:30:41.875Z | 305.733° NW | 2025-11-09 14:37:41.875Z | 261.155° W | 24.797° | 2025-11-09 14:45:41.875Z | 211.643° SW |
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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