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Kepler-81c

extrasolar planet
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Kepler-81c

Summary

Kepler-81c is an exoplanet[1].

Key Facts

  • Kepler-81c's instance of is recorded as exoplanet[2].
  • Kepler-81c's constellation is recorded as Cygnus[3].
  • Kepler-81c's parent astronomical body is recorded as KOI-877[4].
  • Kepler-81c's catalog code is recorded as KOI-877c[5].
  • Kepler-81c's catalog code is recorded as Kepler-81c[6].
  • Kepler-81c's catalog code is recorded as KOI-877.02[7].
  • Kepler-81c's catalog code is recorded as TIC 270611154c[8].
  • Kepler-81c's time of discovery or invention is recorded as +2014-00-00T00:00:00Z[9].
  • Kepler-81c's time of discovery or invention is recorded as +2012-00-00T00:00:00Z[10].
  • Kepler-81c's time of discovery or invention is recorded as +2013-10-00T00:00:00Z[11].
  • Kepler-81c's discovery method is recorded as transit method[12].
  • Kepler-81c's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.0'}[13].
  • Kepler-81c's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+87.66'}[14].
  • Kepler-81c's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.014'}[15].
  • Kepler-81c's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q1155470', 'amount': '+2.219'}[16].
  • Kepler-81c's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+12.0399480592'}[17].
  • Kepler-81c's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.8426'}[18].
  • Kepler-81c's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.08347'}[19].
  • Kepler-81c's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+34500'}[20].
  • Kepler-81c's Google Knowledge Graph ID is recorded as /g/11bw8fvzw_[21].
  • Kepler-81c's SIMBAD ID is recorded as Kepler-81c[22].
  • Kepler-81c's Wolfram Language entity code is recorded as Entity["Exoplanet", "Kepler81c"][23].
  • Kepler-81c's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as kepler_81_c--1393[24].
  • Kepler-81c's NASA Exoplanet Archive ID is recorded as Kepler-81 c[25].
  • Kepler-81c's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+293.63695174492830'}[26].

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] ↑ . Exoplanet Archive. wikidata.org.
  5. [6] ↑ . Exoplanet Archive. wikidata.org.
  6. [7] ↑ . Exoplanet Archive. wikidata.org.
  7. [8] ↑ . Exoplanet Archive. wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  10. [11] ↑ . Transit timing variation of near-resonance planetary pairs: confirmation of 12 multiple-planet systems. wikidata.org.
  11. [12] ↑ . Transit timing variation of near-resonance planetary pairs: confirmation of 12 multiple-planet systems. wikidata.org.
  12. [13] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  13. [14] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  14. [15] ↑ . Densities and eccentricities of 139 Kepler planets from transit time variations. wikidata.org.
  15. [16] ↑ . Revised Radii of Kepler Stars and Planets Using Gaia Data Release 2. wikidata.org.
  16. [17] ↑ . Transit Timing Variations and linear ephemerides of confirmed Kepler transiting exoplanets. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . Characterizing the cool Kepler objects of interests. New effective temperatures, metallicities, masses, and radii of low-mass Kepler planet-candidate host stars. wikidata.org.
  19. [20] ↑ . Spectro-thermometry of M dwarfs and their candidate planets: too hot, too cool, or just right?. wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . 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-81c. Retrieved May 7, 2026, from https://4ort.xyz/entity/q21037605
MLA “Kepler-81c.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q21037605.
BibTeX @misc{4ortxyz_q21037605_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kepler-81c}}, year = {2026}, url = {https://4ort.xyz/entity/q21037605}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kepler-81c — https://4ort.xyz/entity/q21037605 (retrieved 2026-05-07)

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