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9381 Lyon

asteroid
Thing Asteroid Q1192758

Facts

26 properties
Instance of
asteroid
Follows
9380 Mâcon[6]
Followed by
9382 Mihonoseki[7]
Absolute magnitude
+12.8, +12.93[21][22]
Albedo
+0.198[41]
Apoapsis
+3.180, +3.186777213175533[32][33]
Argument of periapsis
+100.14578, +99.28810732540533[36][37]
Diameter
+7.156[40]
Different from
Lyon[23]
Discoverer or inventor
Henri Debehogne, Eric Walter Elst[1][2]
Epoch
November 21, 2025[42]
Longitude of ascending node
+355.99146, +355.8899049117202[28][29]
Mean anomaly
+164.99236, +337.2632446038136[38][39]
Minor planet group
asteroid belt[8]
Named after
Lyon[5]
Orbital eccentricity
0.06 (0.06–0.06, n=3)[18][19][20]
Orbital inclination
+1.13418, +1.133670985141592[24][25]
Orbital period
+5.2, +1897.17498085543[26][27]
Parent astronomical body
Sun[9]
Periapsis
+2.8203900, +2.811630344049887[34][35]
Provisional designation
1975 EK6, 1980 DO2, 1985 BH1, 1991 GP5, 1993 RT19, 1998 QW39[10][11][12][13][14][15]
Semi-major axis of an orbit
+3.0000559, +2.99920377861271[30][31]
Significant event
naming[17]
Site of astronomical discovery
European Southern Observatory, La Silla Observatory[3][4]
Show all 26 facts +2
Time of discovery or invention
September 15, 1993[16]
Time of periapsis
+2461120.3211207874[43]
🏷️ Also known as
en Lyon de (9381) Lyon fa سیارک 9381 fa سیارک ۹۳۸۱ ja 9381 リヨン ja リヨン ru (9381) 1993 RT19 ru 1985 BH1 ru 1975 EK6 ru 1980 DO2 ru 1991 GP5 ru 1993 RT19 ru 1998 QW39 uk 9381 Lyon uk 9381 Ліон zh 小行星9381
🔖 Identifiers · 3
Freebase ID
/m/03y77s9
JPL Small-Body Database SPK-ID
20009381
Minor Planet Center body ID
9381

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References

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

Direct Wikidata claims

  1. [1] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . JPL Small-Body Database. wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . Minor Planet Center database. wikidata.org.
  7. [7] ↑ . Minor Planet Center database. wikidata.org.
  8. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [9] ↑ . wikidata.org.
  10. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . wikidata.org.
  18. [18] ↑ . wikidata.org.
  19. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [23] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  31. [31] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  32. [32] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  33. [33] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  34. [34] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  35. [35] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  36. [36] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  37. [37] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  38. [38] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  39. [39] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  40. [40] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  41. [41] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  42. [42] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  43. [43] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). 9381 Lyon. Retrieved November 6, 2026, from https://4ort.xyz/entity/9381-lyon
MLA “9381 Lyon.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/9381-lyon.
BibTeX @misc{4ortxyz_9381-lyon_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{9381 Lyon}}, year = {2026}, url = {https://4ort.xyz/entity/9381-lyon}, note = {Accessed: 2026-11-06}}
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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. 7d ago · AbzalM · 2026-11-02 view diff on Wikidata ↗
    Orbital inclination → 1.13418 degree, 1.133671 degree
    Apoapsis → 3.18 astronomical unit, 3.186777 astronomical unit
    Discoverer or inventor → Henri Debehogne, Eric Walter Elst
    Site of astronomical discovery → European Southern Observatory, La Silla Observatory
    + 26 other properties edited (see Wikidata diff for full list)
    "Changed [kaa] labels, descriptions, aliases and claims: kaawiki sitelink"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.