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1999 XK115

asteroid
Thing Asteroid Q15189463

Facts

21 properties
Instance of
asteroid
Follows
1995 SS44[3]
Followed by
1999 XU115[4]
Absolute magnitude
+15.68[10]
Apoapsis
+2.619681713046563[15]
Argument of periapsis
+251.4184479340007[17]
Discoverer or inventor
Catalina Sky Survey[1]
Epoch
November 21, 2025[19]
Longitude of ascending node
+28.83375567640972[13]
Mean anomaly
+291.6736974371743[18]
Minor planet group
asteroid belt[5]
Orbital eccentricity
+0.1385286073396628[9]
Orbital inclination
+4.368191464599874[11]
Orbital period
+1274.838875104066[12]
Parent astronomical body
Sun[6]
Periapsis
+1.982190732069822[16]
Provisional designation
1999 XK115[7]
Semi-major axis of an orbit
+2.300936222558192[14]
Site of astronomical discovery
Catalina Station[2]
Time of discovery or invention
December 4, 1999[8]
Time of periapsis
+2461242.458407498[20]
🏷️ Also known as
ru 1999 XK115 zh 小行星75415
🔖 Identifiers · 2
JPL Small-Body Database SPK-ID
20075415
Minor Planet Center body ID
75415

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References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . 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. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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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 XK115. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15189463
MLA “1999 XK115.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15189463.
BibTeX @misc{4ortxyz_q15189463_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1999 XK115}}, year = {2026}, url = {https://4ort.xyz/entity/q15189463}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1999 XK115 — https://4ort.xyz/entity/q15189463 (retrieved 2026-10-29)

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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. 23w ago · LiMrBot bot · 2026-06-04 view diff on Wikidata ↗
    Apoapsis → 2.619682 astronomical unit
    Provisional designation → 1999 XK115
    JPL Small-Body Database SPK-ID → 20075415
    Orbital eccentricity → 0.138529
    + 19 other properties edited (see Wikidata diff for full list)
    "Removed claim: Orbital eccentricity: 0.1379860742507657±0.0000000010966"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.