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C/2019 S4 (Lemmon)

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C/2019 S4 (Lemmon)

Summary

C/2019 S4 (Lemmon) is a trans-Neptunian object[1].

Key Facts

  • C/2019 S4 (Lemmon)'s instance of is recorded as trans-Neptunian object[2].
  • C/2019 S4 (Lemmon)'s instance of is recorded as non-periodic comet[3].
  • C/2019 S4 (Lemmon)'s JPL Small-Body Database SPK-ID is recorded as 1003665[4].
  • C/2019 S4 (Lemmon)'s orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.9858183350349193'}[5].
  • C/2019 S4 (Lemmon)'s absolute magnitude is recorded as {'unit': '1', 'amount': '+8.6'}[6].
  • C/2019 S4 (Lemmon)'s orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+92.02525906891559'}[7].
  • C/2019 S4 (Lemmon)'s orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1380935.238570512'}[8].
  • C/2019 S4 (Lemmon)'s longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+63.16956927195478'}[9].
  • C/2019 S4 (Lemmon)'s semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+242.68890571849'}[10].
  • C/2019 S4 (Lemmon)'s apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+481.9360786853383'}[11].
  • C/2019 S4 (Lemmon)'s periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.441732751641674'}[12].
  • C/2019 S4 (Lemmon)'s argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+71.35451007551075'}[13].
  • C/2019 S4 (Lemmon)'s mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+359.9869817791447'}[14].
  • C/2019 S4 (Lemmon)'s Google Knowledge Graph ID is recorded as /g/11h__y5cw2[15].
  • C/2019 S4 (Lemmon)'s epoch is recorded as February 18, 2020[16].
  • C/2019 S4 (Lemmon)'s time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2458947.436999785'}[17].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  4. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . 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.

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). C/2019 S4 (Lemmon). Retrieved May 3, 2026, from https://4ort.xyz/entity/c-2019-s4-lemmon-
MLA “C/2019 S4 (Lemmon).” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/c-2019-s4-lemmon-.
BibTeX @misc{4ortxyz_c-2019-s4-lemmon-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{C/2019 S4 (Lemmon)}}, year = {2026}, url = {https://4ort.xyz/entity/c-2019-s4-lemmon-}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): C/2019 S4 (Lemmon) — https://4ort.xyz/entity/c-2019-s4-lemmon- (retrieved 2026-05-03)

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