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C/2018 Y1 (Iwamoto)

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C/2018 Y1 (Iwamoto)

Summary

C/2018 Y1 (Iwamoto) is a non-periodic comet[1]. C/2018 Y1 (Iwamoto) draws 3 Wikipedia views per month (non_periodic_comet category, ranking #33 of 92).[2]

Key Facts

  • C/2018 Y1 (Iwamoto) is credited with the discovery of Masayuki Iwamoto[3].
  • C/2018 Y1 (Iwamoto)'s image is recorded as 20190213 NCG2903 ivamoto 028.jpg[4].
  • C/2018 Y1 (Iwamoto)'s instance of is recorded as non-periodic comet[5].
  • C/2018 Y1 (Iwamoto)'s Commons category is recorded as C/2018 Y1 (Iwamoto)[6].
  • C/2018 Y1 (Iwamoto)'s time of discovery or invention is recorded as +2018-12-18T00:00:00Z[7].
  • C/2018 Y1 (Iwamoto)'s JPL Small-Body Database SPK-ID is recorded as 1003600[8].
  • C/2018 Y1 (Iwamoto)'s orbital eccentricity is recorded as {'amount': '+0.9910793080288138'}[9].
  • C/2018 Y1 (Iwamoto)'s absolute magnitude is recorded as {'amount': '+13.6'}[10].
  • C/2018 Y1 (Iwamoto)'s orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+160.4035376571279'}[11].
  • C/2018 Y1 (Iwamoto)'s orbital period is recorded as {'unit': 'Q573', 'amount': '+632944.4886840811'}[12].
  • C/2018 Y1 (Iwamoto)'s longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+147.4835617543771'}[13].
  • C/2018 Y1 (Iwamoto)'s semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+144.2706971815954'}[14].
  • C/2018 Y1 (Iwamoto)'s apoapsis is recorded as {'unit': 'Q1811', 'amount': '+287.2543999131655'}[15].
  • C/2018 Y1 (Iwamoto)'s periapsis is recorded as {'unit': 'Q1811', 'amount': '+1.286994450025289'}[16].
  • C/2018 Y1 (Iwamoto)'s argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+358.0572196618737'}[17].
  • C/2018 Y1 (Iwamoto)'s mean anomaly is recorded as {'unit': 'Q28390', 'amount': '+0.01363306825375782'}[18].
  • C/2018 Y1 (Iwamoto)'s Google Knowledge Graph ID is recorded as /g/11fjx9ss0n[19].
  • C/2018 Y1 (Iwamoto)'s Minor Planet Center body ID is recorded as C/2018 Y1[20].
  • C/2018 Y1 (Iwamoto)'s epoch is recorded as March 3, 2019[21].
  • C/2018 Y1 (Iwamoto)'s time of periapsis is recorded as {'unit': 'Q14267', 'amount': '+2458521.530623847'}[22].

Body

Works and Contributions

C/2018 Y1 (Iwamoto) is credited with the discovery of Masayuki Iwamoto[3].

Why It Matters

C/2018 Y1 (Iwamoto) draws 3 Wikipedia views per month (non_periodic_comet category, ranking #33 of 92).[2] C/2018 Y1 (Iwamoto) has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[23]

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  7. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . 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. [23] ↑ . Wikidata sitelinks. 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/2018 Y1 (Iwamoto). Retrieved May 3, 2026, from https://4ort.xyz/entity/c-2018-y1-iwamoto
MLA “C/2018 Y1 (Iwamoto).” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/c-2018-y1-iwamoto.
BibTeX @misc{4ortxyz_c-2018-y1-iwamoto_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{C/2018 Y1 (Iwamoto)}}, year = {2026}, url = {https://4ort.xyz/entity/c-2018-y1-iwamoto}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): C/2018 Y1 (Iwamoto) — https://4ort.xyz/entity/c-2018-y1-iwamoto (retrieved 2026-05-03)

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