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(392201) 2009 SL257

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(392201) 2009 SL257

Summary

(392201) 2009 SL257 is an asteroid[1].

Key Facts

  • (392201) 2009 SL257 is credited with the discovery of Mount Lemmon Survey[2].
  • (392201) 2009 SL257's instance of is recorded as asteroid[3].
  • (392201) 2009 SL257's site of astronomical discovery is recorded as Mount Lemmon[4].
  • (392201) 2009 SL257's minor planet group is recorded as Jupiter trojan[5].
  • (392201) 2009 SL257's minor planet group is recorded as Greek camp trojan asteroid[6].
  • (392201) 2009 SL257's parent astronomical body is recorded as Sun[7].
  • (392201) 2009 SL257's provisional designation is recorded as 2014 DS123[8].
  • (392201) 2009 SL257's provisional designation is recorded as 2009 SL257[9].
  • (392201) 2009 SL257's time of discovery or invention is recorded as +2009-09-21T00:00:00Z[10].
  • (392201) 2009 SL257's JPL Small-Body Database SPK-ID is recorded as 20392201[11].
  • (392201) 2009 SL257's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1575961995119425'}[12].
  • (392201) 2009 SL257's Lagrangian point is recorded as L4-Jupiter-Sun[13].
  • (392201) 2009 SL257's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.23'}[14].
  • (392201) 2009 SL257's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+13.73295668261232'}[15].
  • (392201) 2009 SL257's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+4271.683890034744'}[16].
  • (392201) 2009 SL257's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+354.4517531281232'}[17].
  • (392201) 2009 SL257's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+5.1522918239936'}[18].
  • (392201) 2009 SL257's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+5.964273434231447'}[19].
  • (392201) 2009 SL257's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+4.340310213755754'}[20].
  • (392201) 2009 SL257's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+98.9925777204708'}[21].
  • (392201) 2009 SL257's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+46.64041968465356'}[22].
  • (392201) 2009 SL257's Google Knowledge Graph ID is recorded as /g/12z65lcb5[23].
  • (392201) 2009 SL257's Minor Planet Center body ID is recorded as 392201[24].
  • (392201) 2009 SL257's epoch is recorded as May 5, 2025[25].
  • (392201) 2009 SL257's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460247.0746405795'}[26].

Body

Designation and Status

(392201) 2009 SL257's instance of is recorded as asteroid[3].

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. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [6] ↑ . minorplanetcenter.org. minorplanetcenter.org. 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 . wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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). (392201) 2009 SL257. Retrieved May 3, 2026, from https://4ort.xyz/entity/-392201-2009-sl257
MLA “(392201) 2009 SL257.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-392201-2009-sl257.
BibTeX @misc{4ortxyz_-392201-2009-sl257_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(392201) 2009 SL257}}, year = {2026}, url = {https://4ort.xyz/entity/-392201-2009-sl257}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (392201) 2009 SL257 — https://4ort.xyz/entity/-392201-2009-sl257 (retrieved 2026-05-03)

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