DECAYED

OBJECT AN, 57040 (Decayed)

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 AN, 57040 was a Chinese satellite in LEO that was launched on Thu, 15 Jun 2023 UTC via a CHANG ZHENG 2D launch vehicle from the Taiyaun Space Center, China (TSC). 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. This object's orbit decayed before it could be identified.

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<iframe src="https://www.satcat.com/sats-embedded/57040?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/57040?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

57040, 2023-085AN

Orbit

Decayed

Country

CN / PRC

Related business

None

Manufacturer

Unknown

Mission

Decayed Commercial Imaging

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

2023-06-15 (3 years ago)

Launch vehicle

CHANG ZHENG 2D

Launch site

Taiyaun Space Center, China (TSC)

Object type

Unknown

Shape & HBR

Box, 0.8 m

Radar Cross Section

2.000 m², Medium (>0.1 m² and < 1m²)

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

TLE from 9 months ago

0 OBJECT AN
1 57040U 23085AN  25265.82574283  .08678925  25348-5  13807-2 0  9996
2 57040  97.4455  28.7963 0011791 276.4231  83.5722 16.33610566127072

Epoch: 2025-09-22T19:49Z

TLE epoch observation values (Epoch: 2025-09-22T19:49:04.180Z)

Latitude

-0.00004°

Longitude

89.60452°

Altitude

185.239 km

Speed

7.796 km/s

True Right ascension

01h 55m 11s

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

21:30:31

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

187.405 km

Perigee altitude

171.94 km

Semi-major axis

6,557.81 km

Eccentricity

0.00118

Inclination

97.4455°

RAAN

28.7963°

Arg. of periapsis

276.4231°

True anomaly

83.70649°

Mean anomaly

83.5722°

Eccentric anomaly

83.63934°

Mean motion

4.087 °/min

Orbital period

88.08 mins

BSTAR

0.0013807

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Other satellites on launch #85 in the year 2023 (2023-06-15 UTC)

OBJECT AD, 57031

OBJECT J, 57012

OBJECT D, 57007 (Decayed)

OBJECT AK, 57037

OBJECT C, 57006 (Decayed)

OBJECT L, 57014

OBJECT N, 57016 (Decayed)

OBJECT B, 57005 (Decayed)

OBJECT F, 57009 (Decayed)

OBJECT Z, 57027 (Decayed)

OBJECT AQ, 57042 (Decayed)

OBJECT V, 57023

OBJECT AG, 57034 (Decayed)

OBJECT AA, 57028 (Decayed)

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OBJECT AN 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.
4 mins	2026-06-22 22:25:30.398Z	167.419° S	2026-06-22 22:27:30.398Z	127.09° SE	40.056°	2026-06-22 22:29:30.398Z	14.015° NNE
5 mins	2026-06-23 03:08:30.398Z	303.216° NW	2026-06-23 03:11:30.398Z	48.486° ENE	42.106°	2026-06-23 03:13:30.398Z	165.616° S

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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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Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out OBJECT AN, 57040 (Decayed) on other resources

View OBJECT AN, 57040 (Decayed) on Celestrak

View OBJECT AN, 57040 (Decayed) 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 AN, 57040 (Decayed)

Orbit data source: Space-Track

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

TLE from 9 months ago

TLE epoch observation values (Epoch: 2025-09-22T19:49:04.180Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #85 in the year 2023 (2023-06-15 UTC)

OBJECT AN Visibility forecast

Co-orbital & Co-planar RSOs

Check out OBJECT AN, 57040 (Decayed) on other resources

Documentation

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