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(66270) 1999 JK4

asteroid
Place asteroid Q15182945
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(66270) 1999 JK4

Summary

(66270) 1999 JK4 is an asteroid[1].

Key Facts

  • (66270) 1999 JK4 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (66270) 1999 JK4's instance of is recorded as asteroid[3].
  • (66270) 1999 JK4's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (66270) 1999 JK4 followed (66269) 1999 JN3[5].
  • (66270) 1999 JK4 was followed by (66271) 1999 JM6[6].
  • (66270) 1999 JK4's minor planet group is recorded as asteroid belt[7].
  • (66270) 1999 JK4's parent astronomical body is recorded as Sun[8].
  • (66270) 1999 JK4's provisional designation is recorded as 2000 RL53[9].
  • (66270) 1999 JK4's provisional designation is recorded as 1999 JK4[10].
  • (66270) 1999 JK4's time of discovery or invention is recorded as May 10, 1999[11].
  • (66270) 1999 JK4's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2544126075759842'}[12].
  • (66270) 1999 JK4's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.64'}[13].
  • (66270) 1999 JK4's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+22.61152083556981'}[14].
  • (66270) 1999 JK4's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1276.932171868638'}[15].
  • (66270) 1999 JK4's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+224.4196482942617'}[16].
  • (66270) 1999 JK4's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.303454305572973'}[17].
  • (66270) 1999 JK4's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.889482121885921'}[18].
  • (66270) 1999 JK4's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.717426489260025'}[19].
  • (66270) 1999 JK4's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+142.8261906813333'}[20].
  • (66270) 1999 JK4's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+339.7964023224557'}[21].
  • (66270) 1999 JK4's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+2.619'}[22].
  • (66270) 1999 JK4's albedo is recorded as {'unit': '1', 'amount': '+0.384'}[23].
  • (66270) 1999 JK4's epoch is recorded as October 17, 2024[24].
  • (66270) 1999 JK4's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460672.162844061'}[25].

Body

Designation and Status

(66270) 1999 JK4'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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . 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). (66270) 1999 JK4. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66270-1999-jk4
MLA “(66270) 1999 JK4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66270-1999-jk4.
BibTeX @misc{4ortxyz_-66270-1999-jk4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66270) 1999 JK4}}, year = {2026}, url = {https://4ort.xyz/entity/-66270-1999-jk4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66270) 1999 JK4 — https://4ort.xyz/entity/-66270-1999-jk4 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-66270-1999-jk4 · Last refreshed:

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. 6w ago · LiMrBot bot · 2026-05-14 view diff on Wikidata ↗
    Periapsis → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    Jpl small-body database spk-id → 20066270
    Imported from → —
    Longitude of ascending node → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    + 22 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 14.64"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.