(66781) 1999 TY223

asteroid
Place asteroid Q15182119
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(66781) 1999 TY223

Summary

(66781) 1999 TY223 is an asteroid[1].

Key Facts

  • (66781) 1999 TY223 is credited with the discovery of Lowell Observatory Near-Earth-Object Search[2].
  • (66781) 1999 TY223's instance of is recorded as asteroid[3].
  • (66781) 1999 TY223's site of astronomical discovery is recorded as Anderson Mesa Station[4].
  • (66781) 1999 TY223 followed (66780) 1999 TW223[5].
  • (66781) 1999 TY223 was followed by (66782) 1999 TT225[6].
  • (66781) 1999 TY223's minor planet group is recorded as asteroid belt[7].
  • (66781) 1999 TY223's parent astronomical body is recorded as Sun[8].
  • (66781) 1999 TY223's provisional designation is recorded as 1999 TY223[9].
  • (66781) 1999 TY223's time of discovery or invention is recorded as October 3, 1999[10].
  • (66781) 1999 TY223's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1951917112345744'}[11].
  • (66781) 1999 TY223's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.2'}[12].
  • (66781) 1999 TY223's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+13.08264713224779'}[13].
  • (66781) 1999 TY223's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1560.45185049703'}[14].
  • (66781) 1999 TY223's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+157.6441554807528'}[15].
  • (66781) 1999 TY223's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.632901612322413'}[16].
  • (66781) 1999 TY223's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.146822183543895'}[17].
  • (66781) 1999 TY223's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.118981041100931'}[18].
  • (66781) 1999 TY223's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+254.7861118453085'}[19].
  • (66781) 1999 TY223's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+285.991454009152'}[20].
  • (66781) 1999 TY223's epoch is recorded as October 17, 2024[21].
  • (66781) 1999 TY223's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460921.2965904'}[22].

Body

Designation and Status

(66781) 1999 TY223'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.

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). (66781) 1999 TY223. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66781-1999-ty223
MLA “(66781) 1999 TY223.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66781-1999-ty223.
BibTeX @misc{4ortxyz_-66781-1999-ty223_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66781) 1999 TY223}}, year = {2026}, url = {https://4ort.xyz/entity/-66781-1999-ty223}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66781) 1999 TY223 — https://4ort.xyz/entity/-66781-1999-ty223 (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. 4w ago · LiMrBot bot · 2026-05-13 view diff on Wikidata ↗
    Argument of periapsis {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Minor planet group asteroid belt
    Site of astronomical discovery Anderson Mesa Station
    Minor planet center body id 66781
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 15.2"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.