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Hayford ellipsoid

geodetic reference ellipsoid
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Hayford ellipsoid

Summary

Hayford ellipsoid is a reference ellipsoid[1]. It draws 3 Wikipedia views per month (reference_ellipsoid category, ranking #3 of 3).[2]

Key Facts

  • Hayford ellipsoid's instance of is recorded as reference ellipsoid[3].
  • John Fillmore Hayford is named after Hayford ellipsoid[4].

Body

Definition and Type

Hayford ellipsoid's instance of is recorded as reference ellipsoid[3].

Origins

John Fillmore Hayford is named after Hayford ellipsoid[4].

Why It Matters

Hayford ellipsoid draws 3 Wikipedia views per month (reference_ellipsoid category, ranking #3 of 3).[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[5] It is known by 3 alternative names across languages and contexts.[6]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [5] ↑ . Wikidata sitelinks. wikidata.org.
  3. [6] ↑ . 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). Hayford ellipsoid. Retrieved May 3, 2026, from https://4ort.xyz/entity/hayford-ellipsoid
MLA “Hayford ellipsoid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hayford-ellipsoid.
BibTeX @misc{4ortxyz_hayford-ellipsoid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hayford ellipsoid}}, year = {2026}, url = {https://4ort.xyz/entity/hayford-ellipsoid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Hayford ellipsoid — https://4ort.xyz/entity/hayford-ellipsoid (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/hayford-ellipsoid · 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. 6w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → N64Ky
    Aliases → —
    Named after → —
    Instance of → reference ellipsoid
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.