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(541021) 2017 YK9

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(541021) 2017 YK9

Summary

(541021) 2017 YK9 is an asteroid[1].

Key Facts

  • (541021) 2017 YK9 is credited with the discovery of Mount Lemmon Survey[2].
  • (541021) 2017 YK9's instance of is recorded as asteroid[3].
  • (541021) 2017 YK9's site of astronomical discovery is recorded as Mount Lemmon Observatory[4].
  • (541021) 2017 YK9's minor planet group is recorded as asteroid belt[5].
  • (541021) 2017 YK9's parent astronomical body is recorded as Sun[6].
  • (541021) 2017 YK9's provisional designation is recorded as 2017 YK9[7].
  • (541021) 2017 YK9's provisional designation is recorded as 2015 FS250[8].
  • (541021) 2017 YK9's provisional designation is recorded as 2013 XR4[9].
  • (541021) 2017 YK9's provisional designation is recorded as 2009 SB281[10].
  • (541021) 2017 YK9's provisional designation is recorded as 2003 CH27[11].
  • (541021) 2017 YK9's time of discovery or invention is recorded as +2009-09-25T00:00:00Z[12].
  • (541021) 2017 YK9's JPL Small-Body Database SPK-ID is recorded as 20541021[13].
  • (541021) 2017 YK9's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.219128584720306'}[14].
  • (541021) 2017 YK9's absolute magnitude is recorded as {'unit': '1', 'amount': '+17.46'}[15].
  • (541021) 2017 YK9's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.625021808114182'}[16].
  • (541021) 2017 YK9's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1404.213929902967'}[17].
  • (541021) 2017 YK9's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+128.1949276759012'}[18].
  • (541021) 2017 YK9's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.454086690272074'}[19].
  • (541021) 2017 YK9's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.991847233492334'}[20].
  • (541021) 2017 YK9's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.916326147051815'}[21].
  • (541021) 2017 YK9's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+276.1617742056541'}[22].
  • (541021) 2017 YK9's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+43.53500811220236'}[23].
  • (541021) 2017 YK9's Google Knowledge Graph ID is recorded as /g/11hdpzxz_9[24].
  • (541021) 2017 YK9's Minor Planet Center body ID is recorded as 541021[25].
  • (541021) 2017 YK9's epoch is recorded as November 21, 2025[26].

Body

Designation and Status

(541021) 2017 YK9'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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . 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). (541021) 2017 YK9. Retrieved May 3, 2026, from https://4ort.xyz/entity/-541021-2017-yk9
MLA “(541021) 2017 YK9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-541021-2017-yk9.
BibTeX @misc{4ortxyz_-541021-2017-yk9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(541021) 2017 YK9}}, year = {2026}, url = {https://4ort.xyz/entity/-541021-2017-yk9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (541021) 2017 YK9 — https://4ort.xyz/entity/-541021-2017-yk9 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-541021-2017-yk9 · Last refreshed: