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(31397) 1998 YR15

asteroid
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Summary

(31397) 1998 YR15 is an asteroid[1].

Key Facts

  • Discoverer or inventor: Spacewatch[2]
  • Site of astronomical discovery: Kitt Peak National Observatory[3]
  • Follows: (31396) 1998 YQ12[4]
  • Followed by: 31398 Lukedaly[5]
  • Minor planet group: asteroid belt[6]
  • Parent astronomical body: Sun[7]
  • Provisional designation: 1976 UB20[8], 1998 YR15[9], 2000 RT11[10]
  • Time of discovery or invention: December 22, 1998[11]
  • Orbital eccentricity: 0.23[12], 0.2252262[13], 0.2255957977450026[14]
  • Absolute magnitude: 14.5[15], 14.6[16], 14.71[17]
  • Orbital inclination: 2.79954 degree[18], 2.799808677501322 degree[19]
  • Orbital period: 3.51 years[20], 1281.422998857202 day[21]
  • Longitude of ascending node: 261.60615 degree[22], 261.5253588372564 degree[23]
  • Semi-major axis of an orbit: 2.3093921 astronomical unit[24]

References

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

Direct Wikidata claims

  1. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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). (31397) 1998 YR15. Retrieved October 28, 2026, from https://4ort.xyz/entity/-31397-1998-yr15
MLA “(31397) 1998 YR15.” 4ort.xyz Knowledge Graph, 4ort.xyz, 28 Oct. 2026, https://4ort.xyz/entity/-31397-1998-yr15.
BibTeX @misc{4ortxyz_-31397-1998-yr15_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(31397) 1998 YR15}}, year = {2026}, url = {https://4ort.xyz/entity/-31397-1998-yr15}, note = {Accessed: 2026-10-28}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (31397) 1998 YR15 — https://4ort.xyz/entity/-31397-1998-yr15 (retrieved 2026-10-28)

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