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C/1991 A2 (Arai)

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C/1991 A2 (Arai)

Summary

C/1991 A2 (Arai) is a non-periodic comet[1].

Key Facts

  • C/1991 A2 (Arai)'s instance of is recorded as non-periodic comet[2].
  • C/1991 A2 (Arai)'s parent astronomical body is recorded as Sun[3].
  • C/1991 A2 (Arai)'s JPL Small-Body Database SPK-ID is recorded as 1001247[4].
  • C/1991 A2 (Arai)'s orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.9906638424740422'}[5].
  • C/1991 A2 (Arai)'s absolute magnitude is recorded as {'unit': '1', 'amount': '+6.4'}[6].
  • C/1991 A2 (Arai)'s orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+70.98028030443429'}[7].
  • C/1991 A2 (Arai)'s orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+695435.9713097732'}[8].
  • C/1991 A2 (Arai)'s longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+115.522769006283'}[9].
  • C/1991 A2 (Arai)'s semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+153.6169539330847'}[10].
  • C/1991 A2 (Arai)'s apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+305.7997157855923'}[11].
  • C/1991 A2 (Arai)'s periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.434192080577088'}[12].
  • C/1991 A2 (Arai)'s argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+337.6400991636339'}[13].
  • C/1991 A2 (Arai)'s mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.02128152953675845'}[14].
  • C/1991 A2 (Arai)'s Google Knowledge Graph ID is recorded as /g/155s5268[15].
  • C/1991 A2 (Arai)'s epoch is recorded as January 21, 1991[16].
  • C/1991 A2 (Arai)'s time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2448236.389052321'}[17].

References

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

Direct Wikidata claims

  1. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . 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/1991 A2 (Arai). Retrieved October 1, 2026, from https://4ort.xyz/entity/c-1991-a2-arai-
MLA “C/1991 A2 (Arai).” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Oct. 2026, https://4ort.xyz/entity/c-1991-a2-arai-.
BibTeX @misc{4ortxyz_c-1991-a2-arai-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{C/1991 A2 (Arai)}}, year = {2026}, url = {https://4ort.xyz/entity/c-1991-a2-arai-}, note = {Accessed: 2026-10-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): C/1991 A2 (Arai) — https://4ort.xyz/entity/c-1991-a2-arai- (retrieved 2026-10-01)

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