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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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Identifier

55841, 2023-031A

Orbit

GEO

Last TLE update

1 day ago

Origin

Federal Security Service of the Russian Federation (CIS)

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 (2 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)

Expand to show TLE details & history

TLE from 1 day ago

0 LUCH (OLYMP) 2
1 55841U 23031A   25232.61740472  .00000015  00000-0  00000+0 0  9992
2 55841   0.0136 104.2179 0001951 204.0184 305.2087  1.00271937  8917

Epoch: 2025-08-20T14:49Z

TLE epoch observation values (Epoch: 2025-08-20T14:49:03.767Z)

Latitude

0.0192°

Longitude

61.98586°

Altitude

35,781.29 km

Speed

3.075 km/s

True Right ascension

16h 53m 46s

True Declination

0° 01' 09"

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

10:55:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,795.849 km

Perigee altitude

35,779.396 km

Semi-major axis

42,165.76 km

Eccentricity

0.0002

Inclination

0.0136°

RAAN

104.2179°

Arg. of periapsis

204.0184°

True anomaly

305.19043°

Mean anomaly

305.2087°

Eccentric anomaly

305.19957°

Mean motion

0.25067 °/min

Orbital period

1,436.15 mins

BSTAR

Loading maneuver chart data...

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

LUCH (OLYMP) 2 Visibility

Observer location: undefined°, undefined°
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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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Authenticating...

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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 & history

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-08-20T14:49:03.767Z)

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