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(66839) 1999 UE51

asteroid
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(66839) 1999 UE51

Summary

(66839) 1999 UE51 is an asteroid[1].

Key Facts

  • (66839) 1999 UE51 is credited with the discovery of Catalina Sky Survey[2].
  • (66839) 1999 UE51's instance of is recorded as asteroid[3].
  • (66839) 1999 UE51's site of astronomical discovery is recorded as Catalina Station[4].
  • (66839) 1999 UE51 followed (66838) 1999 UF49[5].
  • (66839) 1999 UE51 was followed by (66840) 1999 UU52[6].
  • (66839) 1999 UE51's minor planet group is recorded as asteroid belt[7].
  • (66839) 1999 UE51's parent astronomical body is recorded as Sun[8].
  • (66839) 1999 UE51's provisional designation is recorded as 1999 UE51[9].
  • (66839) 1999 UE51's provisional designation is recorded as 1998 HY104[10].
  • (66839) 1999 UE51's time of discovery or invention is recorded as October 31, 1999[11].
  • (66839) 1999 UE51's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.3039719348209162'}[12].
  • (66839) 1999 UE51's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.45'}[13].
  • (66839) 1999 UE51's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.113405437062005'}[14].
  • (66839) 1999 UE51's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1540.149752143575'}[15].
  • (66839) 1999 UE51's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+111.3695873586484'}[16].
  • (66839) 1999 UE51's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.610015074162332'}[17].
  • (66839) 1999 UE51's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.403386406167213'}[18].
  • (66839) 1999 UE51's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.816643742157451'}[19].
  • (66839) 1999 UE51's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+194.2294281443245'}[20].
  • (66839) 1999 UE51's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+33.43872991802166'}[21].
  • (66839) 1999 UE51's epoch is recorded as October 17, 2024[22].
  • (66839) 1999 UE51's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460457.4426344577'}[23].

Body

Designation and Status

(66839) 1999 UE51'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.

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). (66839) 1999 UE51. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66839-1999-ue51
MLA “(66839) 1999 UE51.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66839-1999-ue51.
BibTeX @misc{4ortxyz_-66839-1999-ue51_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66839) 1999 UE51}}, year = {2026}, url = {https://4ort.xyz/entity/-66839-1999-ue51}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66839) 1999 UE51 — https://4ort.xyz/entity/-66839-1999-ue51 (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. 25d ago · LiMrBot bot · 2026-05-13 view diff on Wikidata ↗
    Orbital eccentricity → {'unit': '1', 'amount': '+0.3039719348209162'}
    Followed by → (66840) 1999 UU52
    Apoapsis → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    Instance of → asteroid
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 15.45"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.