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(399433) 2001 YK4

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Place asteroid Q15157889
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(399433) 2001 YK4

Summary

(399433) 2001 YK4 is an asteroid[1].

Key Facts

  • (399433) 2001 YK4 is credited with the discovery of Lowell Observatory Near-Earth-Object Search[2].
  • (399433) 2001 YK4's instance of is recorded as asteroid[3].
  • (399433) 2001 YK4's instance of is recorded as near-Earth object[4].
  • (399433) 2001 YK4's site of astronomical discovery is recorded as Anderson Mesa Station[5].
  • (399433) 2001 YK4's minor planet group is recorded as Apollo asteroid[6].
  • (399433) 2001 YK4's parent astronomical body is recorded as Sun[7].
  • (399433) 2001 YK4's provisional designation is recorded as 2001 YK4[8].
  • (399433) 2001 YK4's time of discovery or invention is recorded as +2001-12-23T00:00:00Z[9].
  • (399433) 2001 YK4's JPL Small-Body Database SPK-ID is recorded as 20399433[10].
  • (399433) 2001 YK4's asteroid spectral type is recorded as X-type asteroid[11].
  • (399433) 2001 YK4's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.776790570502408'}[12].
  • (399433) 2001 YK4's absolute magnitude is recorded as {'unit': '1', 'amount': '+18.58'}[13].
  • (399433) 2001 YK4's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.377987036851441'}[14].
  • (399433) 2001 YK4's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1579.734534976787'}[15].
  • (399433) 2001 YK4's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+155.6957126007069'}[16].
  • (399433) 2001 YK4's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.65454723187109'}[17].
  • (399433) 2001 YK4's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+4.716574490541823'}[18].
  • (399433) 2001 YK4's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.5925199732003582'}[19].
  • (399433) 2001 YK4's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+210.8521517151957'}[20].
  • (399433) 2001 YK4's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+158.4542368776092'}[21].
  • (399433) 2001 YK4's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+1.339'}[22].
  • (399433) 2001 YK4's Google Knowledge Graph ID is recorded as /g/12z65lbwc[23].
  • (399433) 2001 YK4's albedo is recorded as {'unit': '1', 'amount': '+0.021'}[24].
  • (399433) 2001 YK4's Wolfram Language entity code is recorded as Entity["MinorPlanet", "MinorPlanet399433Provisional2001YK4"][25].
  • (399433) 2001 YK4's Minor Planet Center body ID is recorded as 399433[26].

Body

Designation and Status

Recorded instance of include asteroid[3] and near-Earth object[4].

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. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [2] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . 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 . 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 . ssd.jpl.nasa.gov. Provenance: 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] ↑ . wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . 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). (399433) 2001 YK4. Retrieved May 3, 2026, from https://4ort.xyz/entity/-399433-2001-yk4
MLA “(399433) 2001 YK4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-399433-2001-yk4.
BibTeX @misc{4ortxyz_-399433-2001-yk4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(399433) 2001 YK4}}, year = {2026}, url = {https://4ort.xyz/entity/-399433-2001-yk4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (399433) 2001 YK4 — https://4ort.xyz/entity/-399433-2001-yk4 (retrieved 2026-05-03)

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