Comet Ikeya–Seki

sungrazing comet first observed in 1965
Thing non_periodic_comet Q872242
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Comet Ikeya–Seki

Summary

Comet Ikeya–Seki is a non-periodic comet[1]. It draws 184 Wikipedia views per month (non_periodic_comet category, ranking #11 of 92).[2]

Key Facts

  • Comet Ikeya–Seki is credited with the discovery of Kaoru Ikeya[3].
  • Comet Ikeya–Seki is credited with the discovery of Tsutomu Seki[4].
  • Comet Ikeya–Seki's instance of is recorded as non-periodic comet[5].
  • Comet Ikeya–Seki's instance of is recorded as sungrazing comet[6].
  • Comet Ikeya–Seki is part of Kreutz sungrazers[7].
  • Comet Ikeya–Seki's Commons category is recorded as Comet Ikeya-Seki[8].
  • Comet Ikeya–Seki's parent astronomical body is recorded as Sun[9].
  • Comet Ikeya–Seki's time of discovery or invention is recorded as September 18, 1965[10].
  • Comet Ikeya–Seki's orbital eccentricity is recorded as {'amount': '+0.999915'}[11].
  • Comet Ikeya–Seki's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+141.8642'}[12].
  • Comet Ikeya–Seki's orbital period is recorded as {'unit': 'Q577', 'amount': '+880'}[13].
  • Comet Ikeya–Seki's orbital period is recorded as {'unit': 'Q573', 'amount': '+321420.0'}[14].
  • Comet Ikeya–Seki's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+346.9947'}[15].
  • Comet Ikeya–Seki's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+91.6'}[16].
  • Comet Ikeya–Seki's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+183.2'}[17].
  • Comet Ikeya–Seki's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+183.192214'}[18].
  • Comet Ikeya–Seki's periapsis is recorded as {'unit': 'Q1811', 'amount': '+0.007786'}[19].
  • Comet Ikeya–Seki's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+69.0486'}[20].
  • Comet Ikeya–Seki's periapsis date is recorded as October 21, 1965[21].
  • Comet Ikeya–Seki's mean anomaly is recorded as {'unit': 'Q28390', 'amount': '-0.015946'}[22].
  • Comet Ikeya–Seki's epoch is recorded as October 7, 1965[23].
  • Comet Ikeya–Seki's time of periapsis is recorded as {'unit': 'Q14267', 'amount': '+2439054.6837'}[24].

Body

Definition and Type

Recorded instance of include non-periodic comet[5] and sungrazing comet[6].

Use and Application

Comet Ikeya–Seki is part of Kreutz sungrazers[7].

Why It Matters

Comet Ikeya–Seki draws 184 Wikipedia views per month (non_periodic_comet category, ranking #11 of 92).[2] It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[25] It is known by 19 alternative names across languages and contexts.[26]

References

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

Direct Wikidata claims

  1. [5] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [6] . wikidata.org.
  3. [3] . wikidata.org.
  4. [4] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] . Wikidata sitelinks. wikidata.org.
  3. [26] . Wikidata aliases. 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). Comet Ikeya–Seki. Retrieved May 3, 2026, from https://4ort.xyz/entity/comet-ikeya-seki
MLA “Comet Ikeya–Seki.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/comet-ikeya-seki.
BibTeX @misc{4ortxyz_comet-ikeya-seki_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Comet Ikeya–Seki}}, year = {2026}, url = {https://4ort.xyz/entity/comet-ikeya-seki}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Comet Ikeya–Seki — https://4ort.xyz/entity/comet-ikeya-seki (retrieved 2026-05-03)

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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. 23d ago · ~2026-34993-89 · 2026-06-23 view diff on Wikidata ↗
    Minor planet center body id C/1965 S1
    "/* wbsetclaim-create:2||1 */ [[Property:P5736]]: C/1965 S1"
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