12261 Ledouanier

asteroid
Place asteroid Q782826
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12261 Ledouanier

Summary

12261 Ledouanier is an asteroid[1]. It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • 12261 Ledouanier is credited with the discovery of Eric Walter Elst[3].
  • 12261 Ledouanier's instance of is recorded as asteroid[4].
  • 12261 Ledouanier's site of astronomical discovery is recorded as European Southern Observatory[5].
  • Henri Rousseau is named after 12261 Ledouanier[6].
  • 12261 Ledouanier's follows is recorded as (12260) 1989 SP11[7].
  • 12261 Ledouanier's followed by is recorded as 12262 Nishio[8].
  • 12261 Ledouanier's minor planet group is recorded as asteroid belt[9].
  • 12261 Ledouanier's parent astronomical body is recorded as Sun[10].
  • 12261 Ledouanier's provisional designation is recorded as 1989 SJ4[11].
  • 12261 Ledouanier's provisional designation is recorded as 1989 TY4[12].
  • 12261 Ledouanier's provisional designation is recorded as 1992 PG1[13].
  • 12261 Ledouanier's time of discovery or invention is recorded as +1989-10-07T00:00:00Z[14].
  • 12261 Ledouanier's Freebase ID is recorded as /m/03y72ws[15].
  • 12261 Ledouanier's JPL Small-Body Database SPK-ID is recorded as 20012261[16].
  • 12261 Ledouanier's significant event is recorded as naming[17].
  • 12261 Ledouanier's orbital eccentricity is recorded as {'amount': '+0.16'}[18].
  • 12261 Ledouanier's orbital eccentricity is recorded as {'amount': '+0.1578012'}[19].
  • 12261 Ledouanier's orbital eccentricity is recorded as {'amount': '+0.1585545340644201'}[20].
  • 12261 Ledouanier's absolute magnitude is recorded as {'amount': '+15.2'}[21].
  • 12261 Ledouanier's absolute magnitude is recorded as {'amount': '+15.31'}[22].
  • 12261 Ledouanier's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+5.93208'}[23].
  • 12261 Ledouanier's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+5.930781435518026'}[24].
  • 12261 Ledouanier's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.33'}[25].
  • 12261 Ledouanier's orbital period is recorded as {'unit': 'Q573', 'amount': '+1215.113658323083'}[26].
  • 12261 Ledouanier's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+163.82679'}[27].

Body

Designation and Status

12261 Ledouanier's instance of is recorded as asteroid[4].

History and Context

Henri Rousseau is named after 12261 Ledouanier[6].

Why It Matters

12261 Ledouanier has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[2] It is known by 6 alternative names across languages and contexts.[28]

References

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

Direct Wikidata claims

  1. [4] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] . JPL Small-Body Database. wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Minor Planet Center database. wikidata.org.
  7. [9] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] . Freebase Data Dumps. wikidata.org.
  14. [16] . JPL Small-Body Database. Retrieved . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [20] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [22] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [24] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [26] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [27] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [28] . Wikidata aliases. 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). 12261 Ledouanier. Retrieved May 3, 2026, from https://4ort.xyz/entity/12261-ledouanier
MLA “12261 Ledouanier.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/12261-ledouanier.
BibTeX @misc{4ortxyz_12261-ledouanier_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{12261 Ledouanier}}, year = {2026}, url = {https://4ort.xyz/entity/12261-ledouanier}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 12261 Ledouanier — https://4ort.xyz/entity/12261-ledouanier (retrieved 2026-05-03)

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