Kepler-9 b

extrasolar planet
Place exoplanet Q47519
Kepler-9 b
Image of Jupiter: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research InstituteSpherical Map of Exoplanet Kepler-9b: NOAA · Public Domain · Wikimedia
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Kepler-9 b

Summary

Kepler-9 b is an exoplanet[1]. It draws 27 Wikipedia views per month (exoplanet category, ranking #78 of 578).[2]

Key Facts

  • Kepler-9 b is credited with the discovery of Kepler Space Telescope[3].
  • Kepler-9 b's image is recorded as Kepler-9b, Jupiter size comparison.jpg[4].
  • Kepler-9 b's instance of is recorded as exoplanet[5].
  • Kepler-9 b's constellation is recorded as Lyra[6].
  • Kepler-9 b's Commons category is recorded as Kepler-9 b[7].
  • Kepler-9 b's parent astronomical body is recorded as Kepler-9[8].
  • Kepler-9 b's catalog code is recorded as KOI-377.01[9].
  • Kepler-9 b's catalog code is recorded as Kepler-9b[10].
  • Kepler-9 b's catalog code is recorded as KOI-377b[11].
  • Kepler-9 b's catalog code is recorded as TIC 120571842b[12].
  • Kepler-9 b's time of discovery or invention is recorded as +2010-08-26T00:00:00Z[13].
  • Kepler-9 b's time of discovery or invention is recorded as +2010-10-00T00:00:00Z[14].
  • Kepler-9 b's Freebase ID is recorded as /m/0cz9qy6[15].
  • Kepler-9 b's discovery method is recorded as transit method[16].
  • Kepler-9 b's orbital eccentricity is recorded as {'amount': '+0.0609'}[17].
  • Kepler-9 b's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+88.982'}[18].
  • Kepler-9 b's M sin i is recorded as {'unit': 'Q651336', 'amount': '+0.08149941185'}[19].
  • Kepler-9 b's mass is recorded as {'unit': 'Q681996', 'amount': '+43.4'}[20].
  • Kepler-9 b's radius is recorded as {'unit': 'Q1155470', 'amount': '+8.09'}[21].
  • Kepler-9 b's orbital period is recorded as {'unit': 'Q573', 'amount': '+19.23891'}[22].
  • Kepler-9 b's parallax is recorded as {'unit': 'Q21500224', 'amount': '+1.5629'}[23].
  • Kepler-9 b's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+0.1417881795'}[24].
  • Kepler-9 b's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+357'}[25].
  • Kepler-9 b's diameter is recorded as {'unit': 'Q828224', 'amount': '+114000'}[26].
  • Kepler-9 b's SIMBAD ID is recorded as Kepler-9b[27].

Body

Designation and Status

Kepler-9 b's instance of is recorded as exoplanet[5].

History and Context

Catalog codes include KOI-377.01[9], Kepler-9b[10], KOI-377b[11], and TIC 120571842b[12].

Why It Matters

Kepler-9 b draws 27 Wikipedia views per month (exoplanet category, ranking #78 of 578).[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[28] It is known by 4 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . SIMBAD. wikidata.org.
  3. [6] . wikidata.org.
  4. [3] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Spectroscopy of faint Kepler mission exoplanet candidate host stars. wikidata.org.
  7. [9] . SIMBAD. wikidata.org.
  8. [10] . SIMBAD. wikidata.org.
  9. [11] . Extrasolar Planets Encyclopaedia. wikidata.org.
  10. [12] . Exoplanet Archive. wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Kepler-9: a system of multiple planets transiting a Sun-like star, confirmed by timing variations. wikidata.org.
  13. [15] . Freebase Data Dumps. wikidata.org.
  14. [16] . Kepler-9: a system of multiple planets transiting a Sun-like star, confirmed by timing variations. wikidata.org.
  15. [17] . HARPS-N radial velocities confirm the low densities of the Kepler-9 planets. wikidata.org.
  16. [18] . HARPS-N radial velocities confirm the low densities of the Kepler-9 planets. wikidata.org.
  17. [19] . The Kepler Giant Planet Search. I: A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory. wikidata.org.
  18. [20] . HARPS-N radial velocities confirm the low densities of the Kepler-9 planets. wikidata.org.
  19. [21] . The Kepler Giant Planet Search. I: A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory. wikidata.org.
  20. [22] . HARPS-N radial velocities confirm the low densities of the Kepler-9 planets. wikidata.org.
  21. [23] . Gaia Data Release 2. wikidata.org.
  22. [24] . The Kepler Giant Planet Search. I: A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory. wikidata.org.
  23. [25] . HARPS-N radial velocities confirm the low densities of the Kepler-9 planets. wikidata.org.
  24. [26] . Spectroscopy of faint Kepler mission exoplanet candidate host stars. wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 Cite this page

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-9 b. Retrieved May 3, 2026, from https://4ort.xyz/entity/kepler-9-b
MLA “Kepler-9 b.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/kepler-9-b.
BibTeX @misc{4ortxyz_kepler-9-b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kepler-9 b}}, year = {2026}, url = {https://4ort.xyz/entity/kepler-9-b}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kepler-9 b — https://4ort.xyz/entity/kepler-9-b (retrieved 2026-05-03)

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