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C/2009 E1 (Itagaki)

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C/2009 E1 (Itagaki)

Summary

C/2009 E1 (Itagaki) is a non-periodic comet[1].

Key Facts

  • C/2009 E1 (Itagaki) is credited with the discovery of Kōichi Itagaki[2].
  • C/2009 E1 (Itagaki)'s instance of is recorded as non-periodic comet[3].
  • C/2009 E1 (Itagaki)'s parent astronomical body is recorded as Sun[4].
  • C/2009 E1 (Itagaki)'s time of discovery or invention is recorded as +2009-03-14T00:00:00Z[5].
  • C/2009 E1 (Itagaki)'s JPL Small-Body Database SPK-ID is recorded as 1003013[6].
  • C/2009 E1 (Itagaki)'s orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.9850726990503303'}[7].
  • C/2009 E1 (Itagaki)'s absolute magnitude is recorded as {'unit': '1', 'amount': '+13.5'}[8].
  • C/2009 E1 (Itagaki)'s orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+127.4533831726579'}[9].
  • C/2009 E1 (Itagaki)'s orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+93014.57547343569'}[10].
  • C/2009 E1 (Itagaki)'s longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+105.9620111017458'}[11].
  • C/2009 E1 (Itagaki)'s semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+40.17615654508659'}[12].
  • C/2009 E1 (Itagaki)'s apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+79.75259151042363'}[13].
  • C/2009 E1 (Itagaki)'s periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.5997215797495478'}[14].
  • C/2009 E1 (Itagaki)'s argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+48.95523157904768'}[15].
  • C/2009 E1 (Itagaki)'s mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.08158588793146287'}[16].
  • C/2009 E1 (Itagaki)'s Google Knowledge Graph ID is recorded as /g/121vrg11[17].
  • C/2009 E1 (Itagaki)'s epoch is recorded as April 29, 2009[18].
  • C/2009 E1 (Itagaki)'s time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2454929.420342415'}[19].

Body

Works and Contributions

C/2009 E1 (Itagaki) is credited with the discovery of Kōichi Itagaki[2].

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] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . 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] ↑ . 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] ↑ . 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.

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/2009 E1 (Itagaki). Retrieved May 3, 2026, from https://4ort.xyz/entity/c-2009-e1-itagaki-
MLA “C/2009 E1 (Itagaki).” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/c-2009-e1-itagaki-.
BibTeX @misc{4ortxyz_c-2009-e1-itagaki-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{C/2009 E1 (Itagaki)}}, year = {2026}, url = {https://4ort.xyz/entity/c-2009-e1-itagaki-}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): C/2009 E1 (Itagaki) — https://4ort.xyz/entity/c-2009-e1-itagaki- (retrieved 2026-05-03)

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