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International Terrestrial Reference System

world spatial reference system co-rotating with the Earth in its diurnal motion in space
Thing geodetic_reference_system Q74561
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International Terrestrial Reference System

Summary

International Terrestrial Reference System is a geodetic reference system[1]. It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • International Terrestrial Reference System's instance of is recorded as geodetic reference system[3].
  • International Terrestrial Reference System's authority is recorded as International Earth Rotation and Reference Systems Service[4].
  • International Terrestrial Reference System's short name is recorded as {'lang': 'en', 'text': 'ITRS'}[5].

Body

Definition and Type

International Terrestrial Reference System's instance of is recorded as geodetic reference system[3].

Why It Matters

International Terrestrial Reference System has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[2] It is known by 14 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.
  3. [5] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [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). International Terrestrial Reference System. Retrieved May 3, 2026, from https://4ort.xyz/entity/international-terrestrial-reference-system
MLA “International Terrestrial Reference System.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/international-terrestrial-reference-system.
BibTeX @misc{4ortxyz_international-terrestrial-reference-system_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{International Terrestrial Reference System}}, year = {2026}, url = {https://4ort.xyz/entity/international-terrestrial-reference-system}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): International Terrestrial Reference System — https://4ort.xyz/entity/international-terrestrial-reference-system (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/international-terrestrial-reference-system · 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. 5w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Instance of → geodetic reference system
    P14541 → ['99zzI', 'RVAQV']
    Authority → International Earth Rotation and Reference Systems Service
    Instance of → —
    + 1 other property 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.