GJ 221 e

exoplanet in the constellation Orion
Place exoplanet Q94498430
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GJ 221 e

Summary

GJ 221 e is an exoplanet[1].

Key Facts

  • GJ 221 e's instance of is recorded as exoplanet[2].
  • GJ 221 e's constellation is recorded as Orion[3].
  • GJ 221 e's parent astronomical body is recorded as Gliese 221[4].
  • GJ 221 e's time of discovery or invention is recorded as 2019[5].
  • GJ 221 e's discovery method is recorded as Doppler spectroscopy[6].
  • GJ 221 e's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.03'}[7].
  • GJ 221 e's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.0104'}[8].
  • GJ 221 e's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.0104'}[9].
  • GJ 221 e's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2.3946'}[10].
  • GJ 221 e's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.03'}[11].
  • GJ 221 e's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+88.2511856633299'}[12].
  • GJ 221 e's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-5.9947'}[13].
  • GJ 221 e's epoch is recorded as J2000.0[14].

Body

Designation and Status

GJ 221 e's instance of is recorded as exoplanet[2].

References

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

Direct Wikidata claims

  1. [2] . Extrasolar Planets Encyclopaedia. wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . Extrasolar Planets Encyclopaedia. wikidata.org.
  4. [5] . Extrasolar Planets Encyclopaedia. wikidata.org.
  5. [6] . Extrasolar Planets Encyclopaedia. wikidata.org.
  6. [7] . Frequency of planets orbiting M dwarfs in the Solar neighbourhood. wikidata.org.
  7. [8] . Frequency of planets orbiting M dwarfs in the Solar neighbourhood. wikidata.org.
  8. [9] . Extrasolar Planets Encyclopaedia. wikidata.org.
  9. [10] . Frequency of planets orbiting M dwarfs in the Solar neighbourhood. wikidata.org.
  10. [11] . Frequency of planets orbiting M dwarfs in the Solar neighbourhood. wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . Extrasolar Planets Encyclopaedia. wikidata.org.
  13. [14] . Extrasolar Planets Encyclopaedia. wikidata.org.

Class ancestry

  1. [1] . Wikidata. 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). GJ 221 e. Retrieved May 3, 2026, from https://4ort.xyz/entity/gj-221-e
MLA “GJ 221 e.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/gj-221-e.
BibTeX @misc{4ortxyz_gj-221-e_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{GJ 221 e}}, year = {2026}, url = {https://4ort.xyz/entity/gj-221-e}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): GJ 221 e — https://4ort.xyz/entity/gj-221-e (retrieved 2026-05-03)

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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. 8w ago · Romuald 2 · 2026-07-17 view diff on Wikidata ↗
    Orbital eccentricity {'unit': '1', 'amount': '+0.03'}
    Semi-major axis of an orbit {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    M sin i {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount':
    Imported from
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P31]]: [[Q44559]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.