990 Yerkes

main-belt asteroid
Place asteroid Q158494
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990 Yerkes

Summary

990 Yerkes is an asteroid[1]. It has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • 990 Yerkes is credited with the discovery of George Van Biesbroeck[3].
  • 990 Yerkes's instance of is recorded as asteroid[4].
  • 990 Yerkes's site of astronomical discovery is recorded as Yerkes Observatory[5].
  • Yerkes Observatory is named after 990 Yerkes[6].
  • 990 Yerkes's follows is recorded as Q158489[7].
  • 990 Yerkes's followed by is recorded as Q158497[8].
  • 990 Yerkes's minor planet group is recorded as asteroid belt[9].
  • 990 Yerkes's parent astronomical body is recorded as Sun[10].
  • 990 Yerkes's provisional designation is recorded as 1922 MZ[11].
  • 990 Yerkes's provisional designation is recorded as 1961 VB1[12].
  • 990 Yerkes's provisional designation is recorded as A913 UA[13].
  • 990 Yerkes's provisional designation is recorded as A922 WE[14].
  • 990 Yerkes's time of discovery or invention is recorded as +1922-11-23T00:00:00Z[15].
  • 990 Yerkes's Freebase ID is recorded as /m/08mc45[16].
  • 990 Yerkes's JPL Small-Body Database SPK-ID is recorded as 20000990[17].
  • 990 Yerkes's significant event is recorded as naming[18].
  • 990 Yerkes's orbital eccentricity is recorded as {'amount': '+0.2172447415432369'}[19].
  • 990 Yerkes's absolute magnitude is recorded as {'amount': '+11.94'}[20].
  • 990 Yerkes's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+8.783036196205748'}[21].
  • 990 Yerkes's orbital period is recorded as {'unit': 'Q573', 'amount': '+1592.406158625063'}[22].
  • 990 Yerkes's rotation period is recorded as {'unit': 'Q25235', 'amount': '+24.56'}[23].
  • 990 Yerkes's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+353.9272249303151'}[24].
  • 990 Yerkes's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.668723712220905'}[25].
  • 990 Yerkes's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+3.248489905332643'}[26].
  • 990 Yerkes's periapsis is recorded as {'unit': 'Q1811', 'amount': '+2.088957519109167'}[27].

Body

Designation and Status

990 Yerkes's instance of is recorded as asteroid[4].

History and Context

Yerkes Observatory is named after 990 Yerkes[6].

Why It Matters

990 Yerkes has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[2] It is known by 19 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. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Minor Planet Center database. 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. 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] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] . Freebase Data Dumps. wikidata.org.
  15. [17] . JPL Small-Body Database. wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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). 990 Yerkes. Retrieved May 3, 2026, from https://4ort.xyz/entity/990-yerkes
MLA “990 Yerkes.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/990-yerkes.
BibTeX @misc{4ortxyz_990-yerkes_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{990 Yerkes}}, year = {2026}, url = {https://4ort.xyz/entity/990-yerkes}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 990 Yerkes — https://4ort.xyz/entity/990-yerkes (retrieved 2026-05-03)

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