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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
55841 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
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: 4 days ago
TLE from 4 days ago
0 LUCH (OLYMP) 2
1 55841U 23031A 25254.67283355 .00000029 00000-0 00000+0 0 9999
2 55841 0.0129 129.9563 0001416 189.4648 335.7177 1.00272490 9146Epoch: 2025-09-11T16:08Z
TLE epoch observation values (Epoch: 2025-09-11T16:08:52.818Z)
Latitude
0.01537°
Longitude
61.96869°
Altitude
35,780.444 km
Speed
3.075 km/s
True Right ascension
19h 40m 28s
True Declination
0° 00' 55"
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
14:55:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,793.438 km
Perigee altitude
35,781.497 km
Semi-major axis
42,165.605 km
Eccentricity
0.00014
Inclination
0.0129°
RAAN
129.9563°
Arg. of periapsis
189.4648°
True anomaly
335.71103°
Mean anomaly
335.7177°
Eccentric anomaly
335.71436°
Mean motion
0.25067 °/min
Orbital period
1,436.14 mins
BSTAR
0
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #31 in the year 2023 (2023-03-12 UTC)
Did you know?
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
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| LUCH (OLYMP) 2 is likely not visible in the next few days. |
Loading historical data...
55841 neighbors
Authenticating...
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
|---|