COSMOS 2549, 47546
Orbit data source: Space-Track
COSMOS 2549, 47546 is a payload satellite owned by VVKO VKS (CIS) in LEO that was launched on Tue, 02 Feb 2021 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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47546 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
TSSKBP/ARSLO
Mission
Operational Defense Sigint
Bus & Motor
YANTAR'-LOTOS, 11D428
Mass
6,575 kg wet, ~6,500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 3.1 m
Radar Cross Section
16.222 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 COSMOS 2549
1 47546U 21008A 26172.90019951 -.00000143 00000-0 -48466-4 0 9991
2 47546 67.1478 333.6059 0005818 261.4235 98.6191 13.97036597274495Epoch: 2026-06-21T21:36Z
TLE epoch observation values (Epoch: 2026-06-21T21:36:17.237Z)
Latitude
0°
Longitude
99.44024°
Altitude
906.821 km
Speed
7.399 km/s
True Right ascension
22h 14m 25s
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
23:08:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
906.66 km
Perigee altitude
898.188 km
Semi-major axis
7,280.561 km
Eccentricity
0.00058
Inclination
67.1478°
RAAN
333.6059°
Arg. of periapsis
261.4235°
True anomaly
98.68501°
Mean anomaly
98.6191°
Eccentric anomaly
98.65206°
Mean motion
3.49378 °/min
Orbital period
103.04 mins
BSTAR
-0.000048466
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Other satellites on launch #8 in the year 2021 (2021-02-02 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 2549 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-06-22 13:13:27.492Z | 241.269° WSW | 2026-06-22 13:18:27.492Z | 312.967° NW | 32.51° | 2026-06-22 13:23:27.492Z | 13.973° NNE |
| 9 mins | 2026-06-22 20:29:27.492Z | 357.113° N | 2026-06-22 20:33:27.492Z | 52.143° ENE | 27.616° | 2026-06-22 20:38:27.492Z | 111.749° ESE |
| 9 mins | 2026-06-22 22:15:27.492Z | 311.259° NW | 2026-06-22 22:19:27.492Z | 247.787° W | 34.557° | 2026-06-22 22:24:27.492Z | 181.315° SSW |
| 10 mins | 2026-06-23 11:31:27.492Z | 177.95° S | 2026-06-23 11:36:27.492Z | 98.51° ESE | 35.017° | 2026-06-23 11:41:27.492Z | 41.365° NE |
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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