OBJECT F, 57171

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 F, 57171 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/57171?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/57171?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

57171, 2023-091F

Orbit

SSO

Country

TBD

Related business

None

Manufacturer

Unknown

Mission

Operational Amateur Science

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: 9 hours ago

TLE from 9 hours ago

0 OBJECT F
1 57171U 23091F   26104.28559844  .00004282  00000-0  18393-3 0  9997
2 57171  97.5172 165.7509 0010137 343.6460  16.4448 15.23190633154432

Epoch: 2026-04-14T06:51Z

TLE epoch observation values (Epoch: 2026-04-14T06:51:15.705Z)

Latitude

-0.00001°

Longitude

-139.52857°

Altitude

492.631 km

Speed

7.622 km/s

True Right ascension

11h 03m 00s

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

22:38:00

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

500.156 km

Perigee altitude

486.225 km

Semi-major axis

6,871.327 km

Eccentricity

0.00101

Inclination

97.5172°

RAAN

165.7509°

Arg. of periapsis

343.646°

True anomaly

16.47772°

Mean anomaly

16.4448°

Eccentric anomaly

16.46126°

Mean motion

3.8105 °/min

Orbital period

94.48 mins

BSTAR

0.00018393

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

OBJECT T, 57183

OBJECT AR, 57205 (Decayed)

OBJECT AZ, 57325 (Decayed)

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OBJECT F 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.
7 mins	2026-04-14 16:52:06.149Z	14.219° NNE	2026-04-14 16:55:06.149Z	32.221° NE	42.413°	2026-04-14 16:59:06.149Z	189.972° SSW
5 mins	2026-04-15 03:30:06.149Z	119.833° SE	2026-04-15 03:32:06.149Z	70.826° E	25.676°	2026-04-15 03:35:06.149Z	11.828° NNE

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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 F, 57171 on other resources

View OBJECT F, 57171 on Heavens-Above

View OBJECT F, 57171 on Keep Track

View OBJECT F, 57171 on Celestrak

View OBJECT F, 57171 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 F, 57171

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-04-14T06:51:15.705Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

OBJECT F Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT F, 57171 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago