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(101559) 1999 AJ9

minor planet
Place asteroid Q4540702
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(101559) 1999 AJ9

Summary

(101559) 1999 AJ9 is an asteroid[1].

Key Facts

  • (101559) 1999 AJ9 is credited with the discovery of Beijing Schmidt CCD Asteroid Program[2].
  • (101559) 1999 AJ9's instance of is recorded as asteroid[3].
  • (101559) 1999 AJ9's site of astronomical discovery is recorded as Xinglong Station[4].
  • (101559) 1999 AJ9's follows is recorded as (101558) 1999 AE8[5].
  • (101559) 1999 AJ9's followed by is recorded as (101560) 1999 AA12[6].
  • (101559) 1999 AJ9's minor planet group is recorded as asteroid belt[7].
  • (101559) 1999 AJ9's parent astronomical body is recorded as Sun[8].
  • (101559) 1999 AJ9's provisional designation is recorded as 1999 AJ9[9].
  • (101559) 1999 AJ9's provisional designation is recorded as 2002 QN22[10].
  • (101559) 1999 AJ9's time of discovery or invention is recorded as +1999-01-09T00:00:00Z[11].
  • (101559) 1999 AJ9's Freebase ID is recorded as /m/0hhsp60[12].
  • (101559) 1999 AJ9's JPL Small-Body Database SPK-ID is recorded as 20101559[13].
  • (101559) 1999 AJ9's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1856819455920129'}[14].
  • (101559) 1999 AJ9's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.08'}[15].
  • (101559) 1999 AJ9's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.186963627961342'}[16].
  • (101559) 1999 AJ9's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2008.901214395575'}[17].
  • (101559) 1999 AJ9's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+206.1966259888914'}[18].
  • (101559) 1999 AJ9's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.11582771700935'}[19].
  • (101559) 1999 AJ9's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.694380669633166'}[20].
  • (101559) 1999 AJ9's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.537274764385534'}[21].
  • (101559) 1999 AJ9's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+252.6059016032337'}[22].
  • (101559) 1999 AJ9's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+323.6296182611655'}[23].
  • (101559) 1999 AJ9's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+5.374'}[24].
  • (101559) 1999 AJ9's albedo is recorded as {'unit': '1', 'amount': '+0.067'}[25].
  • (101559) 1999 AJ9's Minor Planet Center body ID is recorded as 101559[26].

Body

Designation and Status

(101559) 1999 AJ9'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] ↑ . wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . 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.
  25. [26] ↑ . 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). (101559) 1999 AJ9. Retrieved May 3, 2026, from https://4ort.xyz/entity/-101559-1999-aj9
MLA “(101559) 1999 AJ9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-101559-1999-aj9.
BibTeX @misc{4ortxyz_-101559-1999-aj9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(101559) 1999 AJ9}}, year = {2026}, url = {https://4ort.xyz/entity/-101559-1999-aj9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (101559) 1999 AJ9 — https://4ort.xyz/entity/-101559-1999-aj9 (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. 20w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Wikidata description → minor planet
    Minor planet group → asteroid belt
    Apoapsis → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    Orbital inclination → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    + 24 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
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