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(39538) 1991 FD2

minor planet
Place asteroid Q4543294
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(39538) 1991 FD2

Summary

(39538) 1991 FD2 is an asteroid[1]. (39538) 1991 FD2 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (39538) 1991 FD2 is credited with the discovery of Henri Debehogne[3].
  • (39538) 1991 FD2's instance of is recorded as asteroid[4].
  • (39538) 1991 FD2's site of astronomical discovery is recorded as La Silla Observatory[5].
  • (39538) 1991 FD2 followed (39537) 1990 VV2[6].
  • (39538) 1991 FD2 was followed by 39539 Emmadesmet[7].
  • (39538) 1991 FD2's minor planet group is recorded as asteroid belt[8].
  • (39538) 1991 FD2's parent astronomical body is recorded as Sun[9].
  • (39538) 1991 FD2's provisional designation is recorded as 1980 BS5[10].
  • (39538) 1991 FD2's provisional designation is recorded as 1991 FD2[11].
  • (39538) 1991 FD2's provisional designation is recorded as 2000 VH23[12].
  • (39538) 1991 FD2's provisional designation is recorded as 2000 WA189[13].
  • (39538) 1991 FD2's time of discovery or invention is recorded as March 20, 1991[14].
  • (39538) 1991 FD2's orbital eccentricity is recorded as {'amount': '+0.15'}[15].
  • (39538) 1991 FD2's orbital eccentricity is recorded as {'amount': '+0.1515868'}[16].
  • (39538) 1991 FD2's orbital eccentricity is recorded as {'amount': '+0.1538034081375898'}[17].
  • (39538) 1991 FD2's absolute magnitude is recorded as {'amount': '+15.4'}[18].
  • (39538) 1991 FD2's absolute magnitude is recorded as {'amount': '+15.64'}[19].
  • (39538) 1991 FD2's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.54635'}[20].
  • (39538) 1991 FD2's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.547893673970032'}[21].
  • (39538) 1991 FD2's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.59'}[22].
  • (39538) 1991 FD2's orbital period is recorded as {'unit': 'Q573', 'amount': '+1311.09643176796'}[23].
  • (39538) 1991 FD2's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+13.12748'}[24].
  • (39538) 1991 FD2's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+13.04165907080349'}[25].
  • (39538) 1991 FD2's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.3458789'}[26].
  • (39538) 1991 FD2's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.344359116321684'}[27].

Body

Designation and Status

(39538) 1991 FD2's instance of is recorded as asteroid[4].

Why It Matters

(39538) 1991 FD2 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] (39538) 1991 FD2 is known by 4 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . wikidata.org.
  14. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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). (39538) 1991 FD2. Retrieved May 3, 2026, from https://4ort.xyz/entity/39538-1991-fd2
MLA “(39538) 1991 FD2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/39538-1991-fd2.
BibTeX @misc{4ortxyz_39538-1991-fd2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(39538) 1991 FD2}}, year = {2026}, url = {https://4ort.xyz/entity/39538-1991-fd2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (39538) 1991 FD2 — https://4ort.xyz/entity/39538-1991-fd2 (retrieved 2026-05-03)

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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. 27d ago · Peter James · 2026-05-15 view diff on Wikidata ↗
    Instance of → asteroid
    Longitude of ascending node → {'unit': 'Q28390', 'amount': '+13.12748'}, {'unit': 'Q28390', 'amount': '+13.04165907080349'}
    Site of astronomical discovery → La Silla Observatory
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.701'}, {'unit': 'Q1811', 'amount': '+2.704929538310388'}
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbmergeitems-from:0||Q139813986 */ #quickstatements; #temporary_batch_1778888721369"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.