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C/2009 R1

astronomical object
Thing non_periodic_comet Q945022

Facts

14 properties
Instance of
non-periodic comet, hyperbolic comet[3]
Absolute magnitude
9.9[7]
Argument of periapsis
130.6931027466904[12]
Discoverer or inventor
Robert H. McNaught[2]
Epoch
April 11, 2010[14]
Longitude of ascending node
322.6226629291746[9]
Mean anomaly
-0.00265470905718023[13]
Orbital eccentricity
1.000413202490796[6]
Orbital inclination
77.03076498095443[8]
Parent astronomical body
Sun[4]
Periapsis
0.4050868943926803[11]
Semi-major axis of an orbit
-980.3592752125166[10]
Time of discovery or invention
September 9, 2009[5]
Time of periapsis
2455380.1781500774[15]
🏷️ Also known as
en C/2009 R1 cs C/2009 R1 (McNaught) de C/2009 R1 (McNaught) fa سی/۲۰۰۹ آر ۱ it C/2009 R1 McNaught ja マックノート彗星
🔖 Identifiers · 4
Image (Wikimedia Commons)
C2009 r1 mcnaught 9 6 10.jpg ↗
Freebase ID
/m/0c3x1sr
JPL Small-Body Database SPK-ID
1003036
Minor Planet Center body ID
CK09R010

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Discoverer or inventor 1
Robert H. McNaught
Epoch 1
April 11, 2010
Instance of 1
non-periodic comet
Parent astronomical body 1
Sun
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Summary

C/2009 R1 is a non-periodic comet[1].

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 . 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.

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 R1. Retrieved November 4, 2026, from https://4ort.xyz/entity/c-2009-r1
MLA “C/2009 R1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 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: 2026-11-04}}
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 2026-11-04)

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