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(26838) 1991 RC9

minor planet
Place asteroid Q4542620
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(26838) 1991 RC9

Summary

(26838) 1991 RC9 is an asteroid[1]. (26838) 1991 RC9 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (26838) 1991 RC9 is credited with the discovery of Henry E. Holt[3].
  • (26838) 1991 RC9's instance of is recorded as asteroid[4].
  • (26838) 1991 RC9's site of astronomical discovery is recorded as Palomar Observatory[5].
  • (26838) 1991 RC9 followed 26837 Yoshitakaokazaki[6].
  • (26838) 1991 RC9 was followed by (26839) 1991 RC10[7].
  • (26838) 1991 RC9's minor planet group is recorded as asteroid belt[8].
  • (26838) 1991 RC9's parent astronomical body is recorded as Sun[9].
  • (26838) 1991 RC9's provisional designation is recorded as 1991 RC9[10].
  • (26838) 1991 RC9's provisional designation is recorded as 1998 SJ159[11].
  • (26838) 1991 RC9's time of discovery or invention is recorded as September 11, 1991[12].
  • (26838) 1991 RC9's orbital eccentricity is recorded as {'amount': '+0.010'}[13].
  • (26838) 1991 RC9's orbital eccentricity is recorded as {'amount': '+0.0972850'}[14].
  • (26838) 1991 RC9's orbital eccentricity is recorded as {'amount': '+0.09748358328311038'}[15].
  • (26838) 1991 RC9's absolute magnitude is recorded as {'amount': '+14.6'}[16].
  • (26838) 1991 RC9's absolute magnitude is recorded as {'amount': '+14.74'}[17].
  • (26838) 1991 RC9's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.05500'}[18].
  • (26838) 1991 RC9's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.052369207483264'}[19].
  • (26838) 1991 RC9's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.47'}[20].
  • (26838) 1991 RC9's orbital period is recorded as {'unit': 'Q573', 'amount': '+1266.470933905468'}[21].
  • (26838) 1991 RC9's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+18.73672'}[22].
  • (26838) 1991 RC9's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+18.68643040111337'}[23].
  • (26838) 1991 RC9's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.2915449'}[24].
  • (26838) 1991 RC9's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.29085640002603'}[25].
  • (26838) 1991 RC9's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+2.514'}[26].
  • (26838) 1991 RC9's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+2.514177290687614'}[27].

Body

Designation and Status

(26838) 1991 RC9's instance of is recorded as asteroid[4].

Why It Matters

(26838) 1991 RC9 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

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] ↑ . wikidata.org.
  12. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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.

📑 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). (26838) 1991 RC9. Retrieved May 3, 2026, from https://4ort.xyz/entity/26838-1991-rc9
MLA “(26838) 1991 RC9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/26838-1991-rc9.
BibTeX @misc{4ortxyz_26838-1991-rc9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(26838) 1991 RC9}}, year = {2026}, url = {https://4ort.xyz/entity/26838-1991-rc9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (26838) 1991 RC9 — https://4ort.xyz/entity/26838-1991-rc9 (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. 5d ago · KaleemBot bot · 2026-06-04 view diff on Wikidata ↗
    Longitude of ascending node → {'unit': 'Q28390', 'amount': '+18.73672'}, {'unit': 'Q28390', 'amount': '+18.68643040111337'}
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2461161.8008876354'}
    Diameter → {'unit': 'Q828224', 'amount': '+3.969'}
    Parent astronomical body → Sun
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:(26838) 1991 آر سی 9]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.