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semi-major axis

longest interval from a point on an ellipse to its center
Thing general Q171594
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semi-major axis

Summary

semi-major axis ranks in the top 2% of general entities by monthly Wikipedia readership (228 views/month).[1]

Key Facts

  • semi-major axis's image is recorded as Semimajoraxis.svg[2].
  • semi-major axis's subclass of is recorded as line segment[3].
  • semi-major axis's subclass of is recorded as semi-axis[4].
  • semi-major axis's subclass of is recorded as length[5].
  • semi-major axis's part of is recorded as ellipse[6].
  • semi-major axis's part of is recorded as spheroid[7].
  • semi-major axis's pronunciation audio is recorded as LL-Q1571 (mar)-Vj18081991-अर्धदीर्घ अक्ष.wav[8].
  • semi-major axis's opposite of is recorded as semi-minor axis[9].
  • semi-major axis's Freebase ID is recorded as /m/02md81[10].
  • semi-major axis's Encyclopædia Britannica Online ID is recorded as topic/semimajor-axis[11].
  • semi-major axis's different from is recorded as semi-major axis of an orbit[12].
  • semi-major axis's MathWorld ID is recorded as SemimajorAxis[13].
  • semi-major axis's JSTOR topic ID is recorded as semimajor-axis[14].
  • semi-major axis's ISQ dimension is recorded as \mathsf{L}[15].
  • semi-major axis's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[16].
  • semi-major axis's maintained by WikiProject is recorded as WikiProject Mathematics[17].
  • semi-major axis's Wolfram Language quantity ID is recorded as SemiMajorAxisLength[18].
  • semi-major axis's WordNet 3.1 Synset ID is recorded as 06019034-n[19].
  • semi-major axis's Vikidia article ID is recorded as fr:Demi-grand_axe[20].

Why It Matters

semi-major axis ranks in the top 2% of general entities by monthly Wikipedia readership (228 views/month).[1] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[21] It is known by 47 alternative names across languages and contexts.[22]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . lingualibre.org. lingualibre.org. Provenance: wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . Freebase Data Dumps. wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [21] ↑ . Wikidata sitelinks. wikidata.org.
  3. [22] ↑ . Wikidata aliases. 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). semi-major axis. Retrieved April 10, 2026, from https://4ort.xyz/entity/semi-major-axis
MLA “semi-major axis.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/semi-major-axis.
BibTeX @misc{4ortxyz_semi-major-axis_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{semi-major axis}}, year = {2026}, url = {https://4ort.xyz/entity/semi-major-axis}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): semi-major axis — https://4ort.xyz/entity/semi-major-axis (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/semi-major-axis · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 23d ago · GeertivpBot bot · 2026-05-01 view diff on Wikidata ↗
    Subclass of → line segment, semi-axis, length
    Part of → ellipse, spheroid
    Opposite of → semi-minor axis
    Aliases → —
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P361]]: [[Q11902211]], #pwb Copy label Add onderdeel van (P361)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.