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Kepler-399c

extrasolar planet
Thing exoplanet Q28855487
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Kepler-399c

Summary

Kepler-399c is an exoplanet[1].

Key Facts

  • Kepler-399c is credited with the discovery of Kepler Space Telescope[2].
  • Kepler-399c's instance of is recorded as exoplanet[3].
  • Kepler-399c's constellation is recorded as Cygnus[4].
  • Kepler-399c's parent astronomical body is recorded as Q94488042[5].
  • Kepler-399c's catalog code is recorded as Kepler-399c[6].
  • Kepler-399c's catalog code is recorded as KOI-2707.03[7].
  • Kepler-399c's catalog code is recorded as KOI-2707c[8].
  • Kepler-399c's catalog code is recorded as TIC 172373693c[9].
  • Kepler-399c's time of discovery or invention is recorded as +2014-03-00T00:00:00Z[10].
  • Kepler-399c's discovery method is recorded as transit method[11].
  • Kepler-399c's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q1155470', 'amount': '+2.15'}[12].
  • Kepler-399c's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+26.6757667029'}[13].
  • Kepler-399c's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.7341'}[14].
  • Kepler-399c's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.155'}[15].
  • Kepler-399c's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+299.50172941617330'}[16].
  • Kepler-399c's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+40.67080113086694'}[17].
  • Kepler-399c's epoch is recorded as J2000.0[18].
  • Kepler-399c's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-7.953'}[19].
  • Kepler-399c's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-0.912'}[20].

Body

Definition and Type

Kepler-399c's instance of is recorded as exoplanet[3].

References

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

Direct Wikidata claims

  1. [3] ↑ . SIMBAD. wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [2] ↑ . wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . Exoplanet Archive. wikidata.org.
  8. [9] ↑ . Exoplanet Archive. 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] ↑ . Validation of Kepler's multiple planet candidates. III. Light curve analysis and announcement of hundreds of new multi-planet systems. wikidata.org.
  11. [12] ↑ . False positive probabilities for all Kepler objects of interest: 1284 newly validated planets and 428 likely false positives. wikidata.org.
  12. [13] ↑ . Transit Timing Variations and linear ephemerides of confirmed Kepler transiting exoplanets. wikidata.org.
  13. [14] ↑ . Gaia Data Release 2. wikidata.org.
  14. [15] ↑ . Validation of Kepler's multiple planet candidates. III. Light curve analysis and announcement of hundreds of new multi-planet systems. 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-399c. Retrieved May 7, 2026, from https://4ort.xyz/entity/q28855487
MLA “Kepler-399c.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q28855487.
BibTeX @misc{4ortxyz_q28855487_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kepler-399c}}, year = {2026}, url = {https://4ort.xyz/entity/q28855487}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kepler-399c — https://4ort.xyz/entity/q28855487 (retrieved 2026-05-07)

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