Home › Entities › asteroid › (71222) 1999 YQ9

(71222) 1999 YQ9

asteroid
Place asteroid Q15185780
Press Enter · cited answer in seconds

(71222) 1999 YQ9

Summary

(71222) 1999 YQ9 is an asteroid[1].

Key Facts

  • (71222) 1999 YQ9 is credited with the discovery of Takao Kobayashi[2].
  • (71222) 1999 YQ9's instance of is recorded as asteroid[3].
  • (71222) 1999 YQ9's site of astronomical discovery is recorded as Ōizumi Observatory[4].
  • (71222) 1999 YQ9 followed (71221) 1999 YL9[5].
  • (71222) 1999 YQ9 was followed by (71223) 1999 YF10[6].
  • (71222) 1999 YQ9's minor planet group is recorded as asteroid belt[7].
  • (71222) 1999 YQ9's parent astronomical body is recorded as Sun[8].
  • (71222) 1999 YQ9's provisional designation is recorded as 1999 YQ9[9].
  • (71222) 1999 YQ9's time of discovery or invention is recorded as December 31, 1999[10].
  • (71222) 1999 YQ9's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1386800292738892'}[11].
  • (71222) 1999 YQ9's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.23'}[12].
  • (71222) 1999 YQ9's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.57918195303517'}[13].
  • (71222) 1999 YQ9's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1968.125534260535'}[14].
  • (71222) 1999 YQ9's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+338.5573551606129'}[15].
  • (71222) 1999 YQ9's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.073521433068289'}[16].
  • (71222) 1999 YQ9's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.499757475380125'}[17].
  • (71222) 1999 YQ9's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.647285390756453'}[18].
  • (71222) 1999 YQ9's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+108.7259208966811'}[19].
  • (71222) 1999 YQ9's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+236.5835839624947'}[20].
  • (71222) 1999 YQ9's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+4.91'}[21].
  • (71222) 1999 YQ9's albedo is recorded as {'unit': '1', 'amount': '+0.221'}[22].
  • (71222) 1999 YQ9's epoch is recorded as October 17, 2024[23].
  • (71222) 1999 YQ9's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461275.219443751'}[24].

Body

Designation and Status

(71222) 1999 YQ9'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.

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). (71222) 1999 YQ9. Retrieved May 3, 2026, from https://4ort.xyz/entity/-71222-1999-yq9
MLA “(71222) 1999 YQ9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-71222-1999-yq9.
BibTeX @misc{4ortxyz_-71222-1999-yq9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(71222) 1999 YQ9}}, year = {2026}, url = {https://4ort.xyz/entity/-71222-1999-yq9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (71222) 1999 YQ9 — https://4ort.xyz/entity/-71222-1999-yq9 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-71222-1999-yq9 · 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. 4w ago · LiMrBot bot · 2026-05-17 view diff on Wikidata ↗
    Diameter → {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount':
    Parent astronomical body → Sun
    Site of astronomical discovery → Ōizumi Observatory
    Imported from → —
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1096]]: 0.1386800292738892±0.0000000010228"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.