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221P/LINEAR

periodic comet
Thing Periodic Comet Q4353301

Facts

17 properties
Instance of
periodic comet, Jupiter-family comet[3]
Absolute magnitude
14.0[9]
Apoapsis
5.166686407483807 au[14]
Argument of periapsis
39.51118146647588°[16]
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[2]
Epoch
August 8, 2011[18]
Longitude of ascending node
229.9893142511343°[12]
Mean anomaly
140.9445910063999°[17]
Orbital eccentricity
0.4875755469259206[8]
Orbital inclination
11.4310213354906°[10]
Orbital period
2,364.275244960616 day[11]
Parent astronomical body
Sun[4]
Periapsis
1.779766050894902 au[15]
Provisional designation
221P/2009 L1, 221P/2002 JN16[5][6]
Semi-major axis of an orbit
3.473226229189355 au[13]
Time of discovery or invention
May 9, 2002[7]
Time of periapsis
2,454,855.856090479 Julian day[19]
🏷️ Also known as
en 221P/LINEAR
🔖 Identifiers · 3
Google Knowledge Graph ID
/g/121t5sg8
JPL Small-Body Database SPK-ID
1000393
Wolfram Language entity code
Entity["Comet", "Comet221PLINEAR"]

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🔗 Connections
Instance of 2
periodic comet, Jupiter-family comet
Discoverer or inventor 1
Lincoln Near-Earth Asteroid Research
Epoch 1
August 8, 2011
Parent astronomical body 1
Sun
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Summary

221P/LINEAR is a 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] ↑ . 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] ↑ . 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] ↑ . 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.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . 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). 221P/LINEAR. Retrieved November 11, 2026, from https://4ort.xyz/entity/221p-linear
MLA “221P/LINEAR.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/221p-linear.
BibTeX @misc{4ortxyz_221p-linear_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{221P/LINEAR}}, year = {2026}, url = {https://4ort.xyz/entity/221p-linear}, note = {Accessed: 2026-11-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 221P/LINEAR — https://4ort.xyz/entity/221p-linear (retrieved 2026-11-11)

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