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(14810) 1981 EM31

asteroid
Asteroid Q1480585

Facts

23 properties

Identity

Instance of
asteroid
More facts +22
Follows
(14809) 1981 ES28[3]
Followed by
(14811) 1981 ED43[4]
Absolute magnitude
15.6, 15.81[12][13]
Albedo
0.070[31]
Apoapsis
2.674 au, 2.674678382044284 au[22][23]
Argument of periapsis
140.81243°, 141.6594063823956°[26][27]
Diameter
4.177 km[30]
Discoverer or inventor
Schelte J. Bus[1]
Epoch
May 5, 2025[32]
Longitude of ascending node
162.39133°, 162.3046747495388°[18][19]
Mean anomaly
321.23106°, 180.6334234755408°[28][29]
Minor planet group
asteroid belt[5]
Orbital eccentricity
0.11 (0.11–0.11, n=3)[9][10][11]
Orbital inclination
1.31719°, 1.318136270400302°[14][15]
Orbital period
3.74 year, 1,364.652910199934 day[16][17]
Parent astronomical body
Sun[6]
Periapsis
2.1424572 au, 2.14087108242123 au[24][25]
Provisional designation
1981 EM31[7]
Semi-major axis of an orbit
2.4084204 au, 2.407774732232757 au[20][21]
Site of astronomical discovery
Siding Spring Observatory[2]
Time of discovery or invention
March 2, 1981[8]
Time of periapsis
2,461,480.4253351297 Julian day[33]
🏷️ Also known as
en (14810) 1981 EM31 ru 1981 EM31 sv 14810 1981 EM31 zh 小行星14810
🔖 Identifiers · 4
Google Knowledge Graph ID
/g/1230_64y
JPL Small-Body Database SPK-ID
20014810
Minor Planet Center body ID
14810
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet14810Provisional1981EM31"]

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🔗 Connections
Discoverer or inventor 1
Schelte J. Bus
Epoch 1
May 5, 2025
Followed by 1
(14811) 1981 ED43
Followed by (predecessor) 1
(14811) 1981 ED43
Follows 1
(14809) 1981 ES28
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
(14809) 1981 ES28
Site of astronomical discovery 1
Siding Spring Observatory
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References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [9] ↑ . wikidata.org.
  10. [10] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  11. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [12] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  13. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  26. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  27. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  28. [28] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  29. [29] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  30. [30] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  31. [31] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  32. [32] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  33. [33] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). (14810) 1981 EM31. Retrieved November 10, 2026, from https://4ort.xyz/entity/14810-1981-em31
MLA “(14810) 1981 EM31.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/14810-1981-em31.
BibTeX @misc{4ortxyz_14810-1981-em31_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(14810) 1981 EM31}}, year = {2026}, url = {https://4ort.xyz/entity/14810-1981-em31}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (14810) 1981 EM31 — https://4ort.xyz/entity/14810-1981-em31 (retrieved 2026-11-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 14d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Periapsis → 2.142457 astronomical unit, 2.140871 astronomical unit
    Orbital period → 3.74 year, 1,364.65291 day
    Instance of → asteroid
    Discoverer or inventor → Schelte J. Bus
    + 17 other properties edited (see Wikidata diff for full list)
    "Changed [kaa] labels, descriptions, aliases and claims: kaawiki sitelink"
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