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1999 XT186

asteroid
Thing asteroid Q15191920
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Summary

1999 XT186 is an asteroid[1]. It is known by 3 alternative names across languages and contexts.[2]

Key Facts

  • Discoverer or inventor: Near-Earth Asteroid Tracking[3]
  • Site of astronomical discovery: Haleakalā Observatory[4]
  • Follows: 2001 DJ93[5]
  • Followed by: 1999 TU244[6]
  • Minor planet group: asteroid belt[7]
  • Parent astronomical body: Sun[8]
  • Provisional designation: 2001 DA95[9], 1999 XT186[10]
  • Time of discovery or invention: February 19, 2001[11]
  • Orbital eccentricity: 0.1093742868708106[12]
  • Absolute magnitude: 14.86[13]
  • Orbital inclination: 14.215324741948 degree[14]
  • Orbital period: 1543.38163735724 day[15]
  • Longitude of ascending node: 295.3132374187596 degree[16]
  • Semi-major axis of an orbit: 2.613665074964829 astronomical unit[17]
  • Apoapsis: 2.89953282865825 astronomical unit[18]
  • Periapsis: 2.327797321271407 astronomical unit[19]
  • Argument of periapsis: 11.34207130679386 degree[20]
  • Mean anomaly: 212.3480392419541 degree[21]
  • Diameter: 3.284 km[22]
  • Albedo: 0.216[23]
  • Epoch: June 9, 2026[24]
  • Time of periapsis: 2461833.509235983 Julian day[25]

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. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata aliases. 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). 1999 XT186. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15191920
MLA “1999 XT186.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15191920.
BibTeX @misc{4ortxyz_q15191920_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1999 XT186}}, year = {2026}, url = {https://4ort.xyz/entity/q15191920}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1999 XT186 — https://4ort.xyz/entity/q15191920 (retrieved 2026-10-29)

Canonical URL: https://4ort.xyz/entity/q15191920 · 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. 20w ago · LiMrBot bot · 2026-06-07 view diff on Wikidata ↗
    Absolute magnitude → {'amount': '+14.86'}
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.89953282865825'}
    Semi-major axis of an orbit → {'unit': 'Q1811', 'amount': '+2.613665074964829'}
    Parent astronomical body → Sun
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 14.85"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.