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(66266) 1999 HQ9

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Place asteroid Q15182942
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(66266) 1999 HQ9

Summary

(66266) 1999 HQ9 is an asteroid[1].

Key Facts

  • (66266) 1999 HQ9 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (66266) 1999 HQ9's instance of is recorded as asteroid[3].
  • (66266) 1999 HQ9's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (66266) 1999 HQ9 followed (66265) 1999 HZ6[5].
  • (66266) 1999 HQ9 was followed by (66267) 1999 JO1[6].
  • (66266) 1999 HQ9's minor planet group is recorded as asteroid belt[7].
  • (66266) 1999 HQ9's parent astronomical body is recorded as Sun[8].
  • (66266) 1999 HQ9's provisional designation is recorded as 2000 SJ140[9].
  • (66266) 1999 HQ9's provisional designation is recorded as 1999 HQ9[10].
  • (66266) 1999 HQ9's time of discovery or invention is recorded as April 17, 1999[11].
  • (66266) 1999 HQ9's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.112216931534169'}[12].
  • (66266) 1999 HQ9's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.53'}[13].
  • (66266) 1999 HQ9's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.552588615563105'}[14].
  • (66266) 1999 HQ9's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1268.596832222797'}[15].
  • (66266) 1999 HQ9's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+220.296363104626'}[16].
  • (66266) 1999 HQ9's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.293419304630555'}[17].
  • (66266) 1999 HQ9's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.550779781717423'}[18].
  • (66266) 1999 HQ9's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.036058827543686'}[19].
  • (66266) 1999 HQ9's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+23.3973782194122'}[20].
  • (66266) 1999 HQ9's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+92.01085620476174'}[21].
  • (66266) 1999 HQ9's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+1.994'}[22].
  • (66266) 1999 HQ9's albedo is recorded as {'unit': '1', 'amount': '+0.28'}[23].
  • (66266) 1999 HQ9's epoch is recorded as October 17, 2024[24].
  • (66266) 1999 HQ9's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460276.2647758015'}[25].

Body

Designation and Status

(66266) 1999 HQ9'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). (66266) 1999 HQ9. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66266-1999-hq9
MLA “(66266) 1999 HQ9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66266-1999-hq9.
BibTeX @misc{4ortxyz_-66266-1999-hq9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66266) 1999 HQ9}}, year = {2026}, url = {https://4ort.xyz/entity/-66266-1999-hq9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66266) 1999 HQ9 — https://4ort.xyz/entity/-66266-1999-hq9 (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. 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 → 20066266
    Imported from → —
    Longitude of ascending node → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 15.53"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.