OBJECT U, 57184

Orbit data source: Space-Track

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Recently launched and/or uncataloged satellites may have evolving metadata. Metadata may include but not limited to: Owner, Maufacturer, Bus, Motor, and Mission.

OBJECT U, 57184 is a satellite in SSO that was launched on Tue, 27 Jun 2023 UTC via a SOYUZ-2-1B launch vehicle from the Vostochny Cosmodrome (VOSTO). Unknown objects in Earth's orbit typically refer to objects detected orbiting the Earth but have not yet been identified or cataloged. These objects could be anything from previously untracked satellites, spent rocket stages, debris from satellite collisions, or even natural meteoroids temporarily captured by Earth's gravity.

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<iframe src="https://www.satcat.com/sats-embedded/57184?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/57184?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

57184, 2023-091U

Orbit

SSO

Country

TBD

Related business

Moscow State University (RU)

Manufacturer

NILAKT DOSAAF

Mission

Operational Amateur Science

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

5 kg wet, 5 kg dry

Launch date (UTC)

2023-06-27 (3 years ago)

Launch vehicle

SOYUZ-2-1B

Launch site

Vostochny Cosmodrome (VOSTO)

Object type

Unknown

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.035 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 OBJECT U
1 57184U 23091U   26145.58284225  .00004729  00000-0  23120-3 0  9997
2 57184  97.5088 204.0141 0011239 183.0906 177.0261 15.18661812160526

Epoch: 2026-05-25T13:59Z

TLE epoch observation values (Epoch: 2026-05-25T13:59:17.570Z)

Latitude

0.00002°

Longitude

111.02233°

Altitude

520.702 km

Speed

7.599 km/s

True Right ascension

13h 36m 03s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

17:20:39

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

514.594 km

Perigee altitude

499.118 km

Semi-major axis

6,884.993 km

Eccentricity

0.00112

Inclination

97.5088°

RAAN

204.0141°

Arg. of periapsis

183.0906°

True anomaly

177.03277°

Mean anomaly

177.0261°

Eccentric anomaly

177.02944°

Mean motion

3.79916 °/min

Orbital period

94.76 mins

BSTAR

0.0002312

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Other satellites on launch #91 in the year 2023 (2023-06-27 UTC)

OBJECT BB, 57327 (Decayed)

METEOR M2-3, 57166

OBJECT AT, 57207 (Decayed)

OBJECT AR, 57205 (Decayed)

METEOR M2-3 DEB, 60448

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OBJECT U 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.
4 mins	2026-05-26 15:52:28.589Z	55.778° ENE	2026-05-26 15:54:28.589Z	91.8° ESE	16.677°	2026-05-26 15:56:28.589Z	129.351° SE
5 mins	2026-05-26 17:26:28.589Z	335.875° NNW	2026-05-26 17:28:28.589Z	290.296° WNW	24.38°	2026-05-26 17:31:28.589Z	231.857° WSW
6 mins	2026-05-27 04:04:28.589Z	177.678° S	2026-05-27 04:06:28.589Z	209.46° SW	41.015°	2026-05-27 04:10:28.589Z	342.74° N

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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 OBJECT U, 57184 on other resources

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View OBJECT U, 57184 on Keep Track

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View OBJECT U, 57184 on Gunter's Space Page

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

OBJECT U, 57184

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-05-25T13:59:17.570Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #91 in the year 2023 (2023-06-27 UTC)

OBJECT U Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT U, 57184 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 18 hours ago