C/2009 R1

astronomical object
Thing non_periodic_comet Q945022
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C/2009 R1

Summary

C/2009 R1 is a non-periodic comet[1]. It draws 9 Wikipedia views per month (non_periodic_comet category, ranking #28 of 92).[2]

Key Facts

  • C/2009 R1 is credited with the discovery of Robert H. McNaught[3].
  • C/2009 R1's image is recorded as C2009 r1 mcnaught 9 6 10.jpg[4].
  • C/2009 R1's instance of is recorded as non-periodic comet[5].
  • C/2009 R1's instance of is recorded as hyperbolic comet[6].
  • C/2009 R1's Commons category is recorded as C/2009 R1[7].
  • C/2009 R1's parent astronomical body is recorded as Sun[8].
  • C/2009 R1's time of discovery or invention is recorded as +2009-09-09T00:00:00Z[9].
  • C/2009 R1's Freebase ID is recorded as /m/0c3x1sr[10].
  • C/2009 R1's JPL Small-Body Database SPK-ID is recorded as 1003036[11].
  • C/2009 R1's orbital eccentricity is recorded as {'amount': '+1.000413202490796'}[12].
  • C/2009 R1's absolute magnitude is recorded as {'amount': '+9.9'}[13].
  • C/2009 R1's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+77.03076498095443'}[14].
  • C/2009 R1's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+322.6226629291746'}[15].
  • C/2009 R1's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '-980.3592752125166'}[16].
  • C/2009 R1's periapsis is recorded as {'unit': 'Q1811', 'amount': '+0.4050868943926803'}[17].
  • C/2009 R1's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+130.6931027466904'}[18].
  • C/2009 R1's mean anomaly is recorded as {'unit': 'Q28390', 'amount': '-0.00265470905718023'}[19].
  • C/2009 R1's Minor Planet Center body ID is recorded as CK09R010[20].
  • C/2009 R1's epoch is recorded as April 11, 2010[21].
  • C/2009 R1's time of periapsis is recorded as {'unit': 'Q14267', 'amount': '+2455380.1781500774'}[22].

Body

Works and Contributions

C/2009 R1 is credited with the discovery of Robert H. McNaught[3].

Why It Matters

C/2009 R1 draws 9 Wikipedia views per month (non_periodic_comet category, ranking #28 of 92).[2] It has Wikipedia articles in 9 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. [6] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [3] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Freebase Data Dumps. wikidata.org.
  9. [11] . JPL Small-Body Database. Retrieved . 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] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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/2009 R1. Retrieved May 3, 2026, from https://4ort.xyz/entity/c-2009-r1
MLA “C/2009 R1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/c-2009-r1.
BibTeX @misc{4ortxyz_c-2009-r1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{C/2009 R1}}, year = {2026}, url = {https://4ort.xyz/entity/c-2009-r1}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): C/2009 R1 — https://4ort.xyz/entity/c-2009-r1 (retrieved 2026-05-03)

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