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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.

Not visible in the next 10 days

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Iframe URL

https://www.satcat.com/sats-embedded/55841?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55841, 2023-031A

Orbit

GEO

Country

CIS

Related business

Federal Security Service of the Russian Federation (RU)

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)

2023-03-12 (3 years ago)

Launch vehicle

PROTON-M/BRIZ-M

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 2 Pan + 2 Dish, 8.0 m

Radar Cross Section

40.926 m², Large (>1 m²)

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Last TLE update: 19 hours ago

TLE from 19 hours ago

0 LUCH (OLYMP) 2
1 55841U 23031A   25288.71184762  .00000018  00000-0  00000+0 0  9991
2 55841   0.0285  92.6359 0001226 233.1672  16.9735  1.00271861  9487

Epoch: 2025-10-15T17:05Z

TLE epoch observation values (Epoch: 2025-10-15T17:05:03.634Z)

Latitude

-0.00288°

Longitude

62.01827°

Altitude

35,781.118 km

Speed

3.075 km/s

True Right ascension

22h 51m 03s

True Declination

0° 00' 10"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

06:33:43

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,792.814 km

Perigee altitude

35,782.475 km

Semi-major axis

42,165.781 km

Eccentricity

0.00012

Inclination

0.0285°

RAAN

92.6359°

Arg. of periapsis

233.1672°

True anomaly

16.9776°

Mean anomaly

16.9735°

Eccentric anomaly

16.97555°

Mean motion

0.25067 °/min

Orbital period

1,436.15 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #31 in the year 2023 (2023-03-12 UTC)

BREEZE-M R/B, 55842

BREEZE-M DEB (TANK), 55843

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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.

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LUCH (OLYMP) 2 Visibility

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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

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out LUCH (OLYMP) 2, 55841 on other resources

View LUCH (OLYMP) 2, 55841 on NASA - NSSDCA Website

View LUCH (OLYMP) 2, 55841 on Heavens-Above

View LUCH (OLYMP) 2, 55841 on Keep Track

View LUCH (OLYMP) 2, 55841 on Celestrak

View LUCH (OLYMP) 2, 55841 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

LUCH (OLYMP) 2, 55841

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2025-10-15T17:05:03.634Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #31 in the year 2023 (2023-03-12 UTC)

LUCH (OLYMP) 2 Visibility

55841 neighbors

Co-orbital & Co-planar RSOs

Check out LUCH (OLYMP) 2, 55841 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 19 hours ago