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Kepler-420Ab

exoplanet in the constellation Cygnus
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Kepler-420Ab

Summary

Kepler-420Ab is an exoplanet[1].

Key Facts

  • Kepler-420Ab's instance of is recorded as exoplanet[2].
  • Kepler-420Ab's constellation is recorded as Cygnus[3].
  • Kepler-420Ab's parent astronomical body is recorded as Q87706502[4].
  • Kepler-420Ab's catalog code is recorded as KOI-1257.01[5].
  • Kepler-420Ab's catalog code is recorded as Kepler-420b[6].
  • Kepler-420Ab's catalog code is recorded as KOI-1257b[7].
  • Kepler-420Ab's catalog code is recorded as KOI-1257 Ab[8].
  • Kepler-420Ab's catalog code is recorded as TIC 159647910b[9].
  • Kepler-420Ab's catalog code is recorded as Kepler-420 Ab[10].
  • Kepler-420Ab's time of discovery or invention is recorded as +2014-06-00T00:00:00Z[11].
  • Kepler-420Ab's discovery method is recorded as transit method[12].
  • Kepler-420Ab's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.772'}[13].
  • Kepler-420Ab's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+89.66'}[14].
  • Kepler-420Ab's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+1.45'}[15].
  • Kepler-420Ab's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q1155470', 'amount': '+7.89'}[16].
  • Kepler-420Ab's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+86.6476789765'}[17].
  • Kepler-420Ab's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.382'}[18].
  • Kepler-420Ab's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+141.3'}[19].
  • Kepler-420Ab's SIMBAD ID is recorded as Kepler-420b[20].
  • Kepler-420Ab's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as kepler_420_ab--2282[21].
  • Kepler-420Ab's NASA Exoplanet Archive ID is recorded as KOI-1257 b[22].
  • Kepler-420Ab's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+291.22516036098790'}[23].
  • Kepler-420Ab's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+44.92736618575000'}[24].
  • Kepler-420Ab's epoch is recorded as J2000.0[25].
  • Kepler-420Ab's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-17.266'}[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] ↑ . Planetary candidates observed by Kepler. III. Analysis of the first 16 months of data. 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] ↑ . Exoplanet Archive. wikidata.org.
  9. [10] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  10. [11] ↑ . SOPHIE velocimetry of Kepler transit candidates. XII. KOI-1257 b: a highly eccentric three-month period transiting exoplanet. wikidata.org.
  11. [12] ↑ . SOPHIE velocimetry of Kepler transit candidates. XII. KOI-1257 b: a highly eccentric three-month period transiting exoplanet. wikidata.org.
  12. [13] ↑ . SOPHIE velocimetry of Kepler transit candidates. XII. KOI-1257 b: a highly eccentric three-month period transiting exoplanet. wikidata.org.
  13. [14] ↑ . SOPHIE velocimetry of Kepler transit candidates. XII. KOI-1257 b: a highly eccentric three-month period transiting exoplanet. wikidata.org.
  14. [15] ↑ . SOPHIE velocimetry of Kepler transit candidates. XII. KOI-1257 b: a highly eccentric three-month period transiting exoplanet. wikidata.org.
  15. [16] ↑ . False positive probabilities for all Kepler objects of interest: 1284 newly validated planets and 428 likely false positives. wikidata.org.
  16. [17] ↑ . Transit Timing Variations and linear ephemerides of confirmed Kepler transiting exoplanets. wikidata.org.
  17. [18] ↑ . SOPHIE velocimetry of Kepler transit candidates. XII. KOI-1257 b: a highly eccentric three-month period transiting exoplanet. wikidata.org.
  18. [19] ↑ . SOPHIE velocimetry of Kepler transit candidates. XII. KOI-1257 b: a highly eccentric three-month period transiting exoplanet. wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . Gaia Data Release 2. wikidata.org.
  23. [24] ↑ . Gaia Data Release 2. wikidata.org.
  24. [25] ↑ . SIMBAD. 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-420Ab. Retrieved May 7, 2026, from https://4ort.xyz/entity/q85078417
MLA “Kepler-420Ab.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q85078417.
BibTeX @misc{4ortxyz_q85078417_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kepler-420Ab}}, year = {2026}, url = {https://4ort.xyz/entity/q85078417}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kepler-420Ab — https://4ort.xyz/entity/q85078417 (retrieved 2026-05-07)

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