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Kepler-81d

extrasolar planet
Thing exoplanet Q21037631
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Kepler-81d

Summary

Kepler-81d is an exoplanet[1].

Key Facts

  • Kepler-81d's instance of is recorded as exoplanet[2].
  • Kepler-81d's constellation is recorded as Cygnus[3].
  • Kepler-81d's parent astronomical body is recorded as KOI-877[4].
  • Kepler-81d's catalog code is recorded as Kepler-81d[5].
  • Kepler-81d's catalog code is recorded as KOI-877.03[6].
  • Kepler-81d's catalog code is recorded as KOI-877d[7].
  • Kepler-81d's catalog code is recorded as TIC 270611154d[8].
  • Kepler-81d's time of discovery or invention is recorded as +2014-03-00T00:00:00Z[9].
  • Kepler-81d's discovery method is recorded as transit method[10].
  • Kepler-81d's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q1155470', 'amount': '+1.441'}[11].
  • Kepler-81d's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+20.8375731168'}[12].
  • Kepler-81d's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.8426'}[13].
  • Kepler-81d's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.128'}[14].
  • Kepler-81d's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+19600'}[15].
  • Kepler-81d's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+293.63695174492830'}[16].
  • Kepler-81d's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+42.82493363896084'}[17].
  • Kepler-81d's epoch is recorded as J2000.0[18].
  • Kepler-81d's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-24.663'}[19].
  • Kepler-81d's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.369'}[20].

Body

Definition and Type

Kepler-81d'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] ↑ . SIMBAD. wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . Exoplanet Archive. wikidata.org.
  7. [8] ↑ . Exoplanet Archive. wikidata.org.
  8. [9] ↑ . Validation of Kepler's multiple planet candidates. III. Light curve analysis and announcement of hundreds of new multi-planet systems. wikidata.org.
  9. [10] ↑ . Validation of Kepler's multiple planet candidates. III. Light curve analysis and announcement of hundreds of new multi-planet systems. wikidata.org.
  10. [11] ↑ . Revised Radii of Kepler Stars and Planets Using Gaia Data Release 2. wikidata.org.
  11. [12] ↑ . Transit Timing Variations and linear ephemerides of confirmed Kepler transiting exoplanets. wikidata.org.
  12. [13] ↑ . Gaia Data Release 2. wikidata.org.
  13. [14] ↑ . Validation of Kepler's multiple planet candidates. III. Light curve analysis and announcement of hundreds of new multi-planet systems. wikidata.org.
  14. [15] ↑ . Spectro-thermometry of M dwarfs and their candidate planets: too hot, too cool, or just right?. wikidata.org.
  15. [16] ↑ . Gaia Data Release 2. wikidata.org.
  16. [17] ↑ . Gaia Data Release 2. wikidata.org.
  17. [18] ↑ . SIMBAD. wikidata.org.
  18. [19] ↑ . Gaia Data Release 2. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. 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-81d. Retrieved May 7, 2026, from https://4ort.xyz/entity/q21037631
MLA “Kepler-81d.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q21037631.
BibTeX @misc{4ortxyz_q21037631_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kepler-81d}}, year = {2026}, url = {https://4ort.xyz/entity/q21037631}, note = {Accessed: 2026-05-07}}
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