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(69181) 4821 P-L

asteroid
Place asteroid Q15187530
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Key Facts

  • Discoverer or inventor: Cornelis Johannes van Houten[1], Ingrid van Houten-Groeneveld[2], Tom Gehrels[3]
  • Site of astronomical discovery: Palomar Observatory[4]
  • Follows: (69180) 4770 P-L[5]
  • Followed by: (69182) 4850 P-L[6]
  • Minor planet group: asteroid belt[7]
  • Parent astronomical body: Sun[8]
  • Provisional designation: 4186 T-2[9], 4821 P-L[10]
  • Time of discovery or invention: September 24, 1960[11]
  • Orbital eccentricity: 0.1116950707383502[12]
  • Absolute magnitude: 15.98[13]
  • Orbital inclination: 3.303650639328483 degree[14]
  • Orbital period: 1581.64805569026 day[15]
  • Longitude of ascending node: 139.4944066632266 degree[16]
  • Semi-major axis of an orbit: 2.656690421580465 astronomical unit[17]
  • Apoapsis: 2.953429646148793 astronomical unit[18]
  • Periapsis: 2.359951197012138 astronomical unit[19]
  • Argument of periapsis: 247.5908156205627 degree[20]
  • Mean anomaly: 357.3400665245546 degree[21]
  • Epoch: November 21, 2025[22]
  • Time of periapsis: 2461012.1863294714 Julian day[23]

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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . 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.
  21. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [23] ↑ . 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). (69181) 4821 P-L. Retrieved October 29, 2026, from https://4ort.xyz/entity/-69181-4821-p-l
MLA “(69181) 4821 P-L.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/-69181-4821-p-l.
BibTeX @misc{4ortxyz_-69181-4821-p-l_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(69181) 4821 P-L}}, year = {2026}, url = {https://4ort.xyz/entity/-69181-4821-p-l}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (69181) 4821 P-L — https://4ort.xyz/entity/-69181-4821-p-l (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. 22w ago · LiMrBot bot · 2026-05-25 view diff on Wikidata ↗
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.953429646148793'}
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2461012.1863294714'}
    Orbital eccentricity → {'amount': '+0.1116950707383502'}
    Imported from → —
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 15.97"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.