OBJECT R, 57181

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 R, 57181 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/57181?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/57181?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

57181, 2023-091R

Orbit

SSO

Country

TBD

Related business

None

Manufacturer

Unknown

Mission

Operational Amateur Communications

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, 0.2 m

Radar Cross Section

0.035 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 OBJECT R
1 57181U 23091R   26256.94609528  .00002095  00000-0  11577-3 0  9991
2 57181  97.4976 309.7023 0014703 184.4371 175.6734 15.14926507177124

Epoch: 2026-09-13T22:42Z

TLE epoch observation values (Epoch: 2026-09-13T22:42:22.632Z)

Latitude

0.00007°

Longitude

-23.82546°

Altitude

534.4 km

Speed

7.59 km/s

True Right ascension

20h 38m 48s

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

22:40:39

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

528.318 km

Perigee altitude

508.039 km

Semi-major axis

6,896.315 km

Eccentricity

0.00147

Inclination

97.4976°

RAAN

309.7023°

Arg. of periapsis

184.4371°

True anomaly

175.68609°

Mean anomaly

175.6734°

Eccentric anomaly

175.67975°

Mean motion

3.78981 °/min

Orbital period

94.99 mins

BSTAR

0.00011577

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

OBJECT BB, 57327 (Decayed)

OBJECT AX, 57323 (Decayed)

OBJECT AG, 57196

OBJECT AA, 57190 (Decayed)

OBJECT AQ, 57204

OBJECT W, 57186

OBJECT AJ, 57198 (Decayed)

OBJECT D, 57169

OBJECT AT, 57207 (Decayed)

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OBJECT R 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	2026-09-14 16:42:10.923Z	3.265° NNE	2026-09-14 16:45:10.923Z	304.586° NW	59.07°	2026-09-14 16:48:10.923Z	207.617° SW
5 mins	2026-09-15 03:23:10.923Z	142.5° SSE	2026-09-15 03:25:10.923Z	81.04° E	53.19°	2026-09-15 03:28:10.923Z	1.164° 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 R, 57181 on other resources

View OBJECT R, 57181 on Heavens-Above

View OBJECT R, 57181 on Keep Track

View OBJECT R, 57181 on Celestrak

View OBJECT R, 57181 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 R, 57181

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-09-13T22:42:22.632Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

OBJECT R Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT R, 57181 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago