Kepler-138 e

exoplanet in the constellation Lyra
Place exoplanet Q115772091
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Kepler-138 e

Summary

Kepler-138 e is an exoplanet[1].

Key Facts

  • Kepler-138 e's instance of is recorded as exoplanet[2].
  • Kepler-138 e's constellation is recorded as Lyra[3].
  • Kepler-138 e's parent astronomical body is recorded as Q16001046[4].
  • Kepler-138 e's catalog code is recorded as Kepler-138e[5].
  • Kepler-138 e's catalog code is recorded as TIC 159376971e[6].
  • Kepler-138 e's time of discovery or invention is recorded as +2022-12-00T00:00:00Z[7].
  • Kepler-138 e's discovery method is recorded as Doppler spectroscopy[8].
  • Kepler-138 e's discovery method is recorded as transit-timing variation[9].
  • Kepler-138 e's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.112'}[10].
  • Kepler-138 e's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+88.53'}[11].
  • Kepler-138 e's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q681996', 'amount': '+0.43'}[12].
  • Kepler-138 e's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+38.23'}[13].
  • Kepler-138 e's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.1803'}[14].
  • Kepler-138 e's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+76'}[15].
  • Kepler-138 e's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as kepler_138_e--8572[16].
  • Kepler-138 e's NASA Exoplanet Archive ID is recorded as Kepler-138 e[17].
  • Kepler-138 e's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+290.3814122'}[18].
  • Kepler-138 e's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+43.2930645'}[19].
  • Kepler-138 e's epoch is recorded as J2000.0[20].

Body

Designation and Status

Kepler-138 e's instance of is recorded as exoplanet[2].

History and Context

Catalog codes include Kepler-138e[5] and TIC 159376971e[6].

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] . Exoplanet Archive. wikidata.org.
  6. [7] . Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. wikidata.org.
  7. [8] . Extrasolar Planets Encyclopaedia. wikidata.org.
  8. [9] . Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. wikidata.org.
  9. [10] . Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. wikidata.org.
  10. [11] . Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. wikidata.org.
  11. [12] . Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. wikidata.org.
  12. [13] . Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. wikidata.org.
  13. [14] . Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. wikidata.org.
  14. [15] . Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . wikidata.org.
  17. [18] . Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. wikidata.org.
  18. [19] . Evidence for the volatile-rich composition of a 1.5-Earth-radius planet. wikidata.org.
  19. [20] . Extrasolar Planets Encyclopaedia. wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

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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-138 e. Retrieved May 3, 2026, from https://4ort.xyz/entity/kepler-138-e
MLA “Kepler-138 e.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/kepler-138-e.
BibTeX @misc{4ortxyz_kepler-138-e_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kepler-138 e}}, year = {2026}, url = {https://4ort.xyz/entity/kepler-138-e}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kepler-138 e — https://4ort.xyz/entity/kepler-138-e (retrieved 2026-05-03)

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