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(66829) 1999 UY42

asteroid
Place asteroid Q15181996
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(66829) 1999 UY42

Summary

(66829) 1999 UY42 is an asteroid[1].

Key Facts

  • (66829) 1999 UY42 is credited with the discovery of Catalina Sky Survey[2].
  • (66829) 1999 UY42's instance of is recorded as asteroid[3].
  • (66829) 1999 UY42's site of astronomical discovery is recorded as Catalina Station[4].
  • (66829) 1999 UY42 followed (66828) 1999 UG41[5].
  • (66829) 1999 UY42 was followed by (66830) 1999 UT43[6].
  • (66829) 1999 UY42's minor planet group is recorded as asteroid belt[7].
  • (66829) 1999 UY42's parent astronomical body is recorded as Sun[8].
  • (66829) 1999 UY42's provisional designation is recorded as 2001 DL40[9].
  • (66829) 1999 UY42's provisional designation is recorded as 1999 UY42[10].
  • (66829) 1999 UY42's time of discovery or invention is recorded as October 28, 1999[11].
  • (66829) 1999 UY42's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.06844557698582172'}[12].
  • (66829) 1999 UY42's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.88'}[13].
  • (66829) 1999 UY42's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.454346980344657'}[14].
  • (66829) 1999 UY42's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1666.78092975215'}[15].
  • (66829) 1999 UY42's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+281.7493109471071'}[16].
  • (66829) 1999 UY42's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.751186704404075'}[17].
  • (66829) 1999 UY42's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.939493265782733'}[18].
  • (66829) 1999 UY42's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.562880143025416'}[19].
  • (66829) 1999 UY42's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+18.45040102830311'}[20].
  • (66829) 1999 UY42's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+252.9932209545771'}[21].
  • (66829) 1999 UY42's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+3.589'}[22].
  • (66829) 1999 UY42's albedo is recorded as {'unit': '1', 'amount': '+0.238'}[23].
  • (66829) 1999 UY42's epoch is recorded as October 17, 2024[24].
  • (66829) 1999 UY42's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461095.9357185196'}[25].

Body

Designation and Status

(66829) 1999 UY42'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). (66829) 1999 UY42. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66829-1999-uy42
MLA “(66829) 1999 UY42.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66829-1999-uy42.
BibTeX @misc{4ortxyz_-66829-1999-uy42_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66829) 1999 UY42}}, year = {2026}, url = {https://4ort.xyz/entity/-66829-1999-uy42}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66829) 1999 UY42 — https://4ort.xyz/entity/-66829-1999-uy42 (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. 26d ago · LiMrBot bot · 2026-05-13 view diff on Wikidata ↗
    Absolute magnitude → {'unit': '1', 'amount': '+14.88'}
    Time of periapsis → {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount':
    Epoch → October 17, 2024
    Minor planet center body id → 66829
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 14.88"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.