OBJECT G, 57172

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 G, 57172 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/57172?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/57172?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

57172, 2023-091G

Orbit

SSO

Country

TBD

Related business

None

Manufacturer

Unknown

Mission

Operational Amateur Technology

Bus & Motor

Unknown

Mass

Unknown

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, Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 OBJECT G
1 57172U 23091G   26162.69853169  .00005909  00000-0  27090-3 0  9995
2 57172  97.5058 221.4167 0014017 134.8199 225.4178 15.20754474163175

Epoch: 2026-06-11T16:45Z

TLE epoch observation values (Epoch: 2026-06-11T16:45:53.138Z)

Latitude

-0.00001°

Longitude

69.9067°

Altitude

513.431 km

Speed

7.603 km/s

True Right ascension

14h 45m 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

12:56:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

510.175 km

Perigee altitude

490.891 km

Semi-major axis

6,878.67 km

Eccentricity

0.0014

Inclination

97.5058°

RAAN

221.4167°

Arg. of periapsis

134.8199°

True anomaly

225.30354°

Mean anomaly

225.4178°

Eccentric anomaly

225.36065°

Mean motion

3.8044 °/min

Orbital period

94.63 mins

BSTAR

0.0002709

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

OBJECT J, 57174

OBJECT AZ, 57325 (Decayed)

OBJECT C, 57168

OBJECT AT, 57207 (Decayed)

OBJECT AW, 57322 (Decayed)

OBJECT AU, 57208

OBJECT AX, 57323 (Decayed)

A-SEANSAT-PG1, 57197

METEOR M2-3 DEB, 60448

OBJECT BA, 57326 (Decayed)

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OBJECT G 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.
6 mins	2026-06-12 03:57:02.615Z	165.77° S	2026-06-12 04:00:02.615Z	356.637° N	43.921°	2026-06-12 04:03:02.615Z	348.641° N
5 mins	2026-06-12 17:02:02.615Z	354.04° N	2026-06-12 17:04:02.615Z	253.604° W	39.699°	2026-06-12 17:07:02.615Z	205.134° SW

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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 G, 57172 on other resources

View OBJECT G, 57172 on Heavens-Above

View OBJECT G, 57172 on Keep Track

View OBJECT G, 57172 on Celestrak

View OBJECT G, 57172 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 G, 57172

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-06-11T16:45:53.138Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

OBJECT G Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT G, 57172 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago