LUCH (OLYMP) 2, 55841
Orbit data source: Space-Track
LUCH (OLYMP) 2, 55841 is a payload satellite owned by FSB (CIS) in GEO that was launched on Sun, 12 Mar 2023 UTC via a PROTON-M/BRIZ-M launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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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55841 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
Resehetnev ISS
Mission
Operational Defense Com/Sigint
Bus & Motor
EKSPRESS-2000, Unknown motor
Mass
1,930 kg wet, ~1,800 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan + 2 Dish, 8.0 m
Radar Cross Section
40.926 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 hours ago
TLE from 3 hours ago
0 LUCH (OLYMP) 2
1 55841U 23031A 26255.86899883 .00000020 00000-0 00000+0 0 9992
2 55841 0.0122 135.3729 0000243 223.2078 8.1280 1.00273305 12815Epoch: 2026-09-12T20:51Z
TLE epoch observation values (Epoch: 2026-09-12T20:51:21.498Z)
Latitude
-0.02192°
Longitude
61.9965°
Altitude
35,784.643 km
Speed
3.075 km/s
True Right ascension
00h 26m 49s
True Declination
0° 01' 19"
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
16:31:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,788.264 km
Perigee altitude
35,786.215 km
Semi-major axis
42,165.376 km
Eccentricity
0.00002
Inclination
0.0122°
RAAN
135.3729°
Arg. of periapsis
223.2078°
True anomaly
8.12839°
Mean anomaly
8.128°
Eccentric anomaly
8.1282°
Mean motion
0.25067 °/min
Orbital period
1,436.13 mins
BSTAR
0
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Other satellites on launch #31 in the year 2023 (2023-03-12 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.LUCH (OLYMP) 2 Visibility
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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. |
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| LUCH (OLYMP) 2 is likely not visible in the next few days. |
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55841 neighbors
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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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