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Info for exoplanet "Gyusha Hyugu"


Scientific (actual) data
PlanetK2-188 c
Planet statusConfirmed
Radius0.252
Orbital period7.81025
Semi major axis0.0785
Discovered2018
Updated2021-02-05
Tconj2457140
Impact parameter0.37
Temperature (kelvin)1026
PublicationPublished in a refereed paper
Detection typePrimary Transit
Alternate names2MASS J08391527+2321269 c, EPIC 212164470 c, EPIC 212164470.01, WISE J083915.28+232126.8 c
Star nameK2-188
Right ascension129.81°
Declination23.36°
Mag j11.502
Mag h11.246
Star distance452.9
Star metallicity-0.01
Star mass1.06
Star radius1.19
Star temperature5977
Star alternate names2MASS J08391527+2321269, EPIC 212164470, WISE J083915.28+232126.8
Wikipedia articleK2-188 c

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Fictional info (?)
Suggested nameGyusha Hyugu
Planet typeHot planet
It is the coldest planetary atmosphere in its solar system, with a minimum temperature of 53°K (-220°C), and has a complex, layered cloud structure with neon thought to make up the lowest clouds, and 2H2O the uppermost layer of clouds. This planet is named after the deity Gyusha Hyugu, the goddess of fear.

Having almost no atmosphere to retain heat, it has surface temperatures that vary diurnally more than on any other planet in its solar system, ranging from 50°K (-223°C) at night to 1225°K (952°C) during the day across the equatorial regions.

It was the one of the first exoplanets visited by a spacecraft, and one of the first to be successfully landed on. Gyusha Hyugu's hazy clouds make observation of its surface impossible in infrared light, and the first detailed maps did not emerge until the arrival of the Magellan orbiter 42 years ago.
Atmosphere2H2O65%
Neon30%
Helium1.9%
Sulfur dioxide1.4%
Xenon0.41%
Nitric oxide0.024%
Oxygen0.0052%
Atmospheric pressure4 bar
artist's rendition
MoonHyahiza-geVery small irregular gaseous moon
Churu-mopabu WoHuge irregular crater-filled asteroid
Tagyupi GoVery small irregular oceanic asteroid
Tamu Tomyo-gaSmall round gaseous moon
NobyoLarge round ice planetoid
KyajohyaHuge irregular rocky planetoid
Chishiya GuMedium-sized round crater-filled moon
Sepa'pupyuHuge potato shaped crater-filled moon
MyubuLarge slightly egg-shaped crater-filled comet
Gyuopya-gitsugyaVery small slightly egg-shaped ice moon
YabiMedium-sized round crater-filled moon
Puno-guwo PuVery small potato shaped rocky comet
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