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C/1987 W1 (Ichimura)

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C/1987 W1 (Ichimura)

Summary

C/1987 W1 (Ichimura) is a non-periodic comet[1].

Key Facts

  • C/1987 W1 (Ichimura) is credited with the discovery of Yoshimi Ichimura[2].
  • C/1987 W1 (Ichimura)'s instance of is recorded as non-periodic comet[3].
  • C/1987 W1 (Ichimura)'s time of discovery or invention is recorded as +1987-11-22T00:00:00Z[4].
  • C/1987 W1 (Ichimura)'s JPL Small-Body Database SPK-ID is recorded as 1000553[5].
  • C/1987 W1 (Ichimura)'s orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.9999993915312224'}[6].
  • C/1987 W1 (Ichimura)'s absolute magnitude is recorded as {'unit': '1', 'amount': '+8.9'}[7].
  • C/1987 W1 (Ichimura)'s orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+41.62050035038317'}[8].
  • C/1987 W1 (Ichimura)'s orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+68582864612.7402'}[9].
  • C/1987 W1 (Ichimura)'s longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+226.5279010208567'}[10].
  • C/1987 W1 (Ichimura)'s semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+327902.5515529031'}[11].
  • C/1987 W1 (Ichimura)'s apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+655804.9035873414'}[12].
  • C/1987 W1 (Ichimura)'s periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.1995184647105148'}[13].
  • C/1987 W1 (Ichimura)'s argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+329.2926318715498'}[14].
  • C/1987 W1 (Ichimura)'s mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+359.9999997737409'}[15].
  • C/1987 W1 (Ichimura)'s Google Knowledge Graph ID is recorded as /g/11g8xjprgc[16].
  • C/1987 W1 (Ichimura)'s epoch is recorded as November 28, 1987[17].
  • C/1987 W1 (Ichimura)'s time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2447170.604152276'}[18].

Body

Works and Contributions

C/1987 W1 (Ichimura) is credited with the discovery of Yoshimi Ichimura[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] ↑ . JPL Small-Body Database. Retrieved . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . 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.

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/1987 W1 (Ichimura). Retrieved May 3, 2026, from https://4ort.xyz/entity/c-1987-w1-ichimura-
MLA “C/1987 W1 (Ichimura).” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/c-1987-w1-ichimura-.
BibTeX @misc{4ortxyz_c-1987-w1-ichimura-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{C/1987 W1 (Ichimura)}}, year = {2026}, url = {https://4ort.xyz/entity/c-1987-w1-ichimura-}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): C/1987 W1 (Ichimura) — https://4ort.xyz/entity/c-1987-w1-ichimura- (retrieved 2026-05-03)

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