C/1909 L1 (Borrelly-Daniel)

comet
Thing non_periodic_comet Q30268015
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C/1909 L1 (Borrelly-Daniel)

Summary

C/1909 L1 (Borrelly-Daniel) is a non-periodic comet[1].

Key Facts

  • C/1909 L1 (Borrelly-Daniel) is credited with the discovery of Alphonse Borrelly[2].
  • C/1909 L1 (Borrelly-Daniel) is credited with the discovery of Zaccheus Daniel[3].
  • C/1909 L1 (Borrelly-Daniel)'s image is recorded as D673 1910-03-09 1909a Borrelly-Daniel.jpg[4].
  • C/1909 L1 (Borrelly-Daniel)'s instance of is recorded as non-periodic comet[5].
  • C/1909 L1 (Borrelly-Daniel)'s provisional designation is recorded as 1909 I[6].
  • C/1909 L1 (Borrelly-Daniel)'s provisional designation is recorded as 1909a[7].
  • C/1909 L1 (Borrelly-Daniel)'s time of discovery or invention is recorded as +1909-06-14T00:00:00Z[8].
  • C/1909 L1 (Borrelly-Daniel)'s time of discovery or invention is recorded as +1909-06-15T00:00:00Z[9].
  • C/1909 L1 (Borrelly-Daniel)'s JPL Small-Body Database SPK-ID is recorded as 1000966[10].
  • C/1909 L1 (Borrelly-Daniel)'s orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.9960359046147049'}[11].
  • C/1909 L1 (Borrelly-Daniel)'s orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+52.08429755444244'}[12].
  • C/1909 L1 (Borrelly-Daniel)'s orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1132660.58785422'}[13].
  • C/1909 L1 (Borrelly-Daniel)'s longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+306.8968917037795'}[14].
  • C/1909 L1 (Borrelly-Daniel)'s semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+212.6510712095538'}[15].
  • C/1909 L1 (Borrelly-Daniel)'s apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+424.4591732890477'}[16].
  • C/1909 L1 (Borrelly-Daniel)'s periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.8429691300598464'}[17].
  • C/1909 L1 (Borrelly-Daniel)'s argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.011053046223141'}[18].
  • C/1909 L1 (Borrelly-Daniel)'s mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.01056227686565678'}[19].
  • C/1909 L1 (Borrelly-Daniel)'s Google Knowledge Graph ID is recorded as /g/11g8kt_qlh[20].
  • C/1909 L1 (Borrelly-Daniel)'s Wolfram Language entity code is recorded as Entity["Comet", "CometC1909L1BorrellyDaniel"][21].
  • C/1909 L1 (Borrelly-Daniel)'s epoch is recorded as 18 Tir 1288[22].
  • C/1909 L1 (Borrelly-Daniel)'s time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2418463.2681257674'}[23].

Body

Works and Contributions

Credited discoveries include Alphonse Borrelly[2], an astronomer[24], 1842–1926[25], of France[26], awarded the Prix Jules Janssen[27] and Zaccheus Daniel[3], an astronomer[28], 1874–1964[29], of United States[30].

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. [2] . wikidata.org.
  4. [3] . wikidata.org.
  5. [6] . wikidata.org.
  6. [7] . wikidata.org.
  7. [8] . wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . JPL Small-Body Database. Retrieved . 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.
  19. [20] . wikidata.org.
  20. [21] . wikidata.org.
  21. [22] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Inline context (facts about related entities)

  1. [24] . Wikidata. wikidata.org. → on this site
  2. [25] . Wikidata. wikidata.org. → on this site
  3. [26] . Wikidata. wikidata.org. → on this site
  4. [27] . Wikidata. wikidata.org. → on this site
  5. [28] . Wikidata. wikidata.org. → on this site
  6. [29] . Wikidata. wikidata.org. → on this site
  7. [30] . Wikidata. wikidata.org. → on this site

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/1909 L1 (Borrelly-Daniel). Retrieved May 3, 2026, from https://4ort.xyz/entity/c-1909-l1-borrelly-daniel-
MLA “C/1909 L1 (Borrelly-Daniel).” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/c-1909-l1-borrelly-daniel-.
BibTeX @misc{4ortxyz_c-1909-l1-borrelly-daniel-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{C/1909 L1 (Borrelly-Daniel)}}, year = {2026}, url = {https://4ort.xyz/entity/c-1909-l1-borrelly-daniel-}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): C/1909 L1 (Borrelly-Daniel) — https://4ort.xyz/entity/c-1909-l1-borrelly-daniel- (retrieved 2026-05-03)

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