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Info for exoplanet "Gyamu'chi"


Scientific (actual) data
PlanetKepler-20 g
Planet statusConfirmed
Mass sini0.0628
Orbital period34.94
Semi major axis0.2055
Orbit eccentricity0.15
Discovered2016
Updated2021-02-05
Tzero tr2454970
K4.1
Temperature (kelvin)524
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Mass detection typeTheoretical
Alternate names2MASS J19104752+4220194 g, KIC 6850504 g, KOI-70 g, Kepler-20 A g, WISE J191047.52+422019.0 g
Star nameKepler-20
Right ascension287.7°
Declination42.34°
Mag v12.5
Mag j11.252
Mag h10.91
Star distance284.88
Star metallicity0.07
Star mass0.95
Star radius0.96
Star sp typeG8
Star age7.6
Star temperature5495
Star alternate names2MASS J19104752+4220194, KIC 6850504, KOI-70, Kepler-20 A, WISE J191047.52+422019.0
Wikipedia articleKepler-20 g

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Fictional info (?)
Suggested nameGyamu'chi
Planet typeCold planet
When viewed from Fune Peru Ja, Gyamu'chi can reach an apparent magnitude of -3, bright enough for its reflected light to cast shadows, and making it on average the third-brightest object in the night sky. The planet is named after the deity Gyamu'chi, the bringer of destruction.

Gyamu'chi is gravitationally locked with Kepler-20 in a 4:3 spin-orbit resonance, and rotates in a way that is unique in its solar system. As seen relative to the fixed stars, it rotates on its axis exactly five times for every four revolutions it makes around Kepler-20.

Planet is populated by unreliable terraformed oceanic creatures called the "Zopebo Zeba". They feed by seeking a substance called "Odohiga" at night. They are believed to be not related to the Chojiuga-byo but have 8 arms and vary in length from 50 to 120 cm. Zopebo Zeba are known to live at temperatures from 70 to 140°C and high atmospheric pressure which is common near the poles.
Estimated population15000
AtmosphereOxygen64%
Carbon dioxide27%
Water8.3%
Methane0.7%
Atmospheric pressure0.001 bar
artist's rendition
No known satellites
Google search for Gyamu'chi


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