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OBJECT G, 57172

Orbit data source: Space-Track

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Recently launched and/or uncataloged RSOs may have evolving metadata. Metadata may include the following, but is not limited to: Owner, Manufacturer, Bus, Motor, and Mission.

OBJECT G, 57172 is a payload satellite in SSO that was launched on Tue, 27 Jun 2023 UTC via a SOYUZ-2-1B launch vehicle from the Vostochny Cosmodrome (VOSTO). 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.

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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

Payload

Rocket body

Debris

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: 15 hours ago

TLE from 15 hours ago

0 OBJECT G
1 57172U 23091G   26314.29070221  .00007011  00000-0  30763-3 0  9997
2 57172  97.4870  12.4141 0011434 336.2408  23.8299 15.22220499186229

Epoch: 2026-11-10T06:58Z

TLE epoch observation values (Epoch: 2026-11-10T06:58:36.670Z)

Latitude

-0.00003°

Longitude

-141.6937°

Altitude

495.042 km

Speed

7.621 km/s

True Right ascension

00h 49m 39s

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

18:46:36

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

503.971 km

Perigee altitude

488.251 km

Semi-major axis

6,874.248 km

Eccentricity

0.00114

Inclination

97.487°

RAAN

12.4141°

Arg. of periapsis

336.2408°

True anomaly

23.88291°

Mean anomaly

23.8299°

Eccentric anomaly

23.8564°

Mean motion

3.80807 °/min

Orbital period

94.54 mins

BSTAR

0.00030763

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

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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	2026-11-11 03:36:43.202Z	141.25° SSE	2026-11-11 03:39:43.202Z	87.195° E	36.803°	2026-11-11 03:42:43.202Z	9.669° NNE
6 mins	2026-11-11 16:40:43.202Z	25.003° NE	2026-11-11 16:43:43.202Z	130.918° SE	53.196°	2026-11-11 16:46:43.202Z	179.405° S

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Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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Check out OBJECT G, 57172 on other resources

View OBJECT G, 57172 on NASA - NSSDCA Website

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: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-11-10T06:58:36.670Z)

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: 15 hours ago