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(23487) 1991 PX4

asteroid
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Summary

(23487) 1991 PX4 is an asteroid[1].

Key Facts

  • Discoverer or inventor: Eric Walter Elst[2]
  • Site of astronomical discovery: La Silla Observatory[3]
  • Follows: (23486) 1991 PE2[4]
  • Followed by: (23488) 1991 PF12[5]
  • Minor planet group: asteroid belt[6]
  • Parent astronomical body: Sun[7]
  • Provisional designation: 1991 PX4[8], 2000 CN20[9]
  • Time of discovery or invention: August 3, 1991[10]
  • Orbital eccentricity: 0.14[11], 0.1425387[12], 0.1402545401198616[13]
  • Absolute magnitude: 13.8[14], 13.96[15]
  • Orbital inclination: 1.46752 degree[16], 1.468271528143652 degree[17]
  • Orbital period: 5.48 years[18], 2001.818591227823 day[19]
  • Longitude of ascending node: 161.36333 degree[20], 161.3246439905714 degree[21]
  • Semi-major axis of an orbit: 3.1095051 astronomical unit[22], 3.108499923040126 astronomical unit[23]
  • Apoapsis: 3.553 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] ↑ . wikidata.org.
  11. [12] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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). (23487) 1991 PX4. Retrieved October 30, 2026, from https://4ort.xyz/entity/-23487-1991-px4
MLA “(23487) 1991 PX4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 30 Oct. 2026, https://4ort.xyz/entity/-23487-1991-px4.
BibTeX @misc{4ortxyz_-23487-1991-px4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(23487) 1991 PX4}}, year = {2026}, url = {https://4ort.xyz/entity/-23487-1991-px4}, note = {Accessed: 2026-10-30}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (23487) 1991 PX4 — https://4ort.xyz/entity/-23487-1991-px4 (retrieved 2026-10-30)

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