S/2004 S 21

moon of Saturn
Thing moon_of_saturn Q70072437
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S/2004 S 21

Summary

S/2004 S 21 is a moon of Saturn[1]. It draws 10 Wikipedia views per month (moon_of_saturn category, ranking #48 of 96).[2]

Key Facts

  • S/2004 S 21 is credited with the discovery of Scott S. Sheppard[3].
  • S/2004 S 21 is credited with the discovery of David Clifford Jewitt[4].
  • S/2004 S 21 is credited with the discovery of Jan Kleyna[5].
  • S/2004 S 21's instance of is recorded as moon of Saturn[6].
  • S/2004 S 21's parent astronomical body is recorded as Saturn[7].
  • S/2004 S 21's provisional designation is recorded as S/2004 S 21[8].
  • S/2004 S 21's semi-major axis of an orbit is recorded as {'unit': 'Q828224', 'amount': '+22644540'}[9].

Body

Works and Contributions

Credited discoveries include Scott S. Sheppard[3], an astronomer[10], b. 1977[11], of United States[12], specialised in astronomy[13]; David Clifford Jewitt[4], an astronomer[14], b. 1958[15], of United States[16], awarded the Kavli Prize in Astrophysics[17], specialised in astronomy[18]; and Jan Kleyna[5], an astronomer[19], b. 1970[20], of United Kingdom[21], specialised in astronomy[22].

Why It Matters

S/2004 S 21 draws 10 Wikipedia views per month (moon_of_saturn category, ranking #48 of 96).[2] It has Wikipedia articles in 10 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. [6] . wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . wikidata.org.
  4. [5] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.

Inline context (facts about related entities)

  1. [10] . Wikidata. wikidata.org. → on this site
  2. [11] . Wikidata. wikidata.org. → on this site
  3. [12] . Wikidata. wikidata.org. → on this site
  4. [13] . Wikidata. wikidata.org. → on this site
  5. [14] . Wikidata. wikidata.org. → on this site
  6. [15] . Wikidata. wikidata.org. → on this site
  7. [16] . Wikidata. wikidata.org. → on this site
  8. [17] . Wikidata. wikidata.org. → on this site
  9. [18] . Wikidata. wikidata.org. → on this site
  10. [19] . Wikidata. wikidata.org. → on this site
  11. [20] . Wikidata. wikidata.org. → on this site
  12. [21] . Wikidata. wikidata.org. → on this site
  13. [22] . Wikidata. wikidata.org. → on this site

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). S/2004 S 21. Retrieved May 3, 2026, from https://4ort.xyz/entity/s-2004-s-21
MLA “S/2004 S 21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/s-2004-s-21.
BibTeX @misc{4ortxyz_s-2004-s-21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{S/2004 S 21}}, year = {2026}, url = {https://4ort.xyz/entity/s-2004-s-21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): S/2004 S 21 — https://4ort.xyz/entity/s-2004-s-21 (retrieved 2026-05-03)

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