Home › Entities › physical_law › Kepler's first law

Kepler's first law

physica law that planetary orbits are ellipses with the Sun at one focus
Thing physical_law Q122928282
Press Enter · cited answer in seconds

Summary

Kepler's first law is a physical law[1]. It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Kepler's first law's instance of is recorded as physical law[3].
  • Kepler's first law was followed by Kepler's second law[4].
  • Kepler's first law is part of Kepler's laws of planetary motion[5].

Body

Definition and Type

Kepler's first law's instance of is recorded as physical law[3].

Use and Application

Kepler's first law is part of Kepler's laws of planetary motion[5].

Why It Matters

Kepler's first law has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] It is known by 13 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). Kepler's first law. Retrieved October 18, 2026, from https://4ort.xyz/entity/kepler-s-first-law
MLA “Kepler's first law.” 4ort.xyz Knowledge Graph, 4ort.xyz, 18 Oct. 2026, https://4ort.xyz/entity/kepler-s-first-law.
BibTeX @misc{4ortxyz_kepler-s-first-law_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kepler's first law}}, year = {2026}, url = {https://4ort.xyz/entity/kepler-s-first-law}, note = {Accessed: 2026-10-18}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kepler's first law — https://4ort.xyz/entity/kepler-s-first-law (retrieved 2026-10-18)

Canonical URL: https://4ort.xyz/entity/kepler-s-first-law · 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. 4w ago · C960657 · 2026-09-21 view diff on Wikidata ↗
    Followed by → Kepler's second law
    Aliases → —
    Part of → —
    Instance of → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Lex id: Keplers_første_lov"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.