129099 Spoelhof

asteroid
Place asteroid Q2757907
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129099 Spoelhof

Summary

129099 Spoelhof is an asteroid[1]. It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • 129099 Spoelhof is credited with the discovery of Lawrence Molnar[3].
  • 129099 Spoelhof's instance of is recorded as asteroid[4].
  • 129099 Spoelhof's site of astronomical discovery is recorded as Calvin University[5].
  • William Spoelhof is named after 129099 Spoelhof[6].
  • 129099 Spoelhof's follows is recorded as (129098) 2004 XQ2[7].
  • 129099 Spoelhof's followed by is recorded as 129100 Aaronammons[8].
  • 129099 Spoelhof's minor planet group is recorded as asteroid belt[9].
  • 129099 Spoelhof's parent astronomical body is recorded as Sun[10].
  • 129099 Spoelhof's provisional designation is recorded as 2004 XU3[11].
  • 129099 Spoelhof's time of discovery or invention is recorded as +2004-12-03T00:00:00Z[12].
  • 129099 Spoelhof's Freebase ID is recorded as /m/04f_ny5[13].
  • 129099 Spoelhof's JPL Small-Body Database SPK-ID is recorded as 20129099[14].
  • 129099 Spoelhof's significant event is recorded as naming[15].
  • 129099 Spoelhof's orbital eccentricity is recorded as {'amount': '+0.18'}[16].
  • 129099 Spoelhof's orbital eccentricity is recorded as {'amount': '+0.1799017114383308'}[17].
  • 129099 Spoelhof's absolute magnitude is recorded as {'amount': '+15.2'}[18].
  • 129099 Spoelhof's absolute magnitude is recorded as {'amount': '+15.31'}[19].
  • 129099 Spoelhof's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+7.5'}[20].
  • 129099 Spoelhof's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+7.493004081609194'}[21].
  • 129099 Spoelhof's orbital period is recorded as {'unit': 'Q573', 'amount': '+1971.318602379935'}[22].
  • 129099 Spoelhof's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+154.4'}[23].
  • 129099 Spoelhof's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+154.3699857873209'}[24].
  • 129099 Spoelhof's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.076844836094161'}[25].
  • 129099 Spoelhof's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+3.630374487937691'}[26].
  • 129099 Spoelhof's periapsis is recorded as {'unit': 'Q1811', 'amount': '+2.523315184250631'}[27].

Body

Designation and Status

129099 Spoelhof's instance of is recorded as asteroid[4].

History and Context

William Spoelhof is named after 129099 Spoelhof[6].

Why It Matters

129099 Spoelhof has Wikipedia articles in 6 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. wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . 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] . Freebase Data Dumps. wikidata.org.
  12. [14] . JPL Small-Body Database. Retrieved . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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). 129099 Spoelhof. Retrieved May 3, 2026, from https://4ort.xyz/entity/129099-spoelhof
MLA “129099 Spoelhof.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/129099-spoelhof.
BibTeX @misc{4ortxyz_129099-spoelhof_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{129099 Spoelhof}}, year = {2026}, url = {https://4ort.xyz/entity/129099-spoelhof}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 129099 Spoelhof — https://4ort.xyz/entity/129099-spoelhof (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. 4w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Named after William Spoelhof
    Apoapsis {'unit': 'Q1811', 'amount': '+3.630374487937691'}
    Aliases
    Albedo
    + 53 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.