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, 0.2 m

Radar Cross Section

0.035 m², Medium (>0.1 m² and < 1m²)

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Last TLE update: 20 hours ago

TLE from 20 hours ago

0 OBJECT U
1 57184U 23091U   26207.63772204  .00005380  00000-0  25828-3 0  9992
2 57184  97.5053 265.6683 0010233 343.8950  16.1958 15.19242168169941

Epoch: 2026-07-26T15:18Z

TLE epoch observation values (Epoch: 2026-07-26T15:18:19.184Z)

Latitude

0.00003°

Longitude

91.75558°

Altitude

504.448 km

Speed

7.616 km/s

True Right ascension

17h 42m 40s

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

00:54:05

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

512.144 km

Perigee altitude

498.057 km

Semi-major axis

6,883.238 km

Eccentricity

0.00102

Inclination

97.5053°

RAAN

265.6683°

Arg. of periapsis

343.895°

True anomaly

16.22855°

Mean anomaly

16.1958°

Eccentric anomaly

16.21217°

Mean motion

3.80062 °/min

Orbital period

94.72 mins

BSTAR

0.00025828

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

OBJECT B, 57167 (Decayed)

OBJECT AY, 57324 (Decayed)

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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.
5 mins	2026-07-27 17:09:54.257Z	352.532° N	2026-07-27 17:11:54.257Z	307.867° NW	34.701°	2026-07-27 17:14:54.257Z	218.15° SW
6 mins	2026-07-28 03:47:54.257Z	154.262° SSE	2026-07-28 03:50:54.257Z	32.06° NE	40.095°	2026-07-28 03:53:54.257Z	354.403° 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

View OBJECT U, 57184 on Heavens-Above

View OBJECT U, 57184 on Keep Track

View OBJECT U, 57184 on Celestrak

View OBJECT U, 57184 on Gunter's Space Page

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OBJECT U, 57184

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2026-07-26T15:18:19.184Z)

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: 20 hours ago