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(11857) 1988 RK9

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(11857) 1988 RK9

Summary

(11857) 1988 RK9 is an asteroid[1].

Key Facts

  • (11857) 1988 RK9 is credited with the discovery of Henri Debehogne[2].
  • (11857) 1988 RK9's instance of is recorded as asteroid[3].
  • (11857) 1988 RK9's site of astronomical discovery is recorded as La Silla Observatory[4].
  • (11857) 1988 RK9's follows is recorded as 11856 Nicolabonev[5].
  • (11857) 1988 RK9's followed by is recorded as 11858 Devinpoland[6].
  • (11857) 1988 RK9's minor planet group is recorded as asteroid belt[7].
  • (11857) 1988 RK9's parent astronomical body is recorded as Sun[8].
  • (11857) 1988 RK9's provisional designation is recorded as 1988 RK9[9].
  • (11857) 1988 RK9's provisional designation is recorded as 1993 OG[10].
  • (11857) 1988 RK9's time of discovery or invention is recorded as +1988-09-01T00:00:00Z[11].
  • (11857) 1988 RK9's Freebase ID is recorded as /m/0h1f454[12].
  • (11857) 1988 RK9's JPL Small-Body Database SPK-ID is recorded as 20011857[13].
  • (11857) 1988 RK9's orbital eccentricity is recorded as {'amount': '+0.14'}[14].
  • (11857) 1988 RK9's orbital eccentricity is recorded as {'amount': '+0.1383695'}[15].
  • (11857) 1988 RK9's orbital eccentricity is recorded as {'amount': '+0.1373951054633707'}[16].
  • (11857) 1988 RK9's absolute magnitude is recorded as {'amount': '+12.8'}[17].
  • (11857) 1988 RK9's absolute magnitude is recorded as {'amount': '+12.92'}[18].
  • (11857) 1988 RK9's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+14.27643'}[19].
  • (11857) 1988 RK9's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+14.27656125101707'}[20].
  • (11857) 1988 RK9's orbital period is recorded as {'unit': 'Q577', 'amount': '+5.13'}[21].
  • (11857) 1988 RK9's orbital period is recorded as {'unit': 'Q573', 'amount': '+1873.811434478507'}[22].
  • (11857) 1988 RK9's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+145.22495'}[23].
  • (11857) 1988 RK9's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+145.1785736022175'}[24].
  • (11857) 1988 RK9's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.9729600'}[25].
  • (11857) 1988 RK9's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.97452967035046'}[26].

Body

Designation and Status

(11857) 1988 RK9's instance of is recorded as asteroid[3].

References

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

Direct Wikidata claims

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

Class ancestry

  1. [1] ↑ . Wikidata. 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). (11857) 1988 RK9. Retrieved May 3, 2026, from https://4ort.xyz/entity/11857-1988-rk9
MLA “(11857) 1988 RK9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/11857-1988-rk9.
BibTeX @misc{4ortxyz_11857-1988-rk9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(11857) 1988 RK9}}, year = {2026}, url = {https://4ort.xyz/entity/11857-1988-rk9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (11857) 1988 RK9 — https://4ort.xyz/entity/11857-1988-rk9 (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. 5w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Mean anomaly → {'unit': 'Q28390', 'amount': '+355.82909'}, {'unit': 'Q28390', 'amount': '+96.17343282140307'}
    Aliases → —
    Longitude of ascending node → {'unit': 'Q28390', 'amount': '+145.22495'}, {'unit': 'Q28390', 'amount': '+145.1785736022175'}
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2460499.914227462'}
    + 20 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.