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Info for exoplanet "Nebya'kuya"


Scientific (actual) data
PlanetHD 133131 A b
Planet statusConfirmed
Mass sini1.43
Orbital period649
Semi major axis1.44
Orbit eccentricity0.32
Discovered2016
Updated2016-08-24
K36.68
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Star nameHD 133131 A
Right ascension225.9°
Declination-27.84°
Mag v8.4
Star distance47
Star metallicity-0.306
Star mass0.95
Star sp typeG2V
Star age9.7
Star temperature5799
Wikipedia articleHD 133131 A b

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Fictional info (?)
Suggested nameNebya'kuya
Planet typeCold planet
Nebya'kuya's atmosphere is similar to Ripyo's in its primary composition of xenon and hydrogen, but it contains more "ices" such as water, ammonia, and methane, along with traces of other hydrocarbons. It is the coldest planetary atmosphere in its solar system, with a minimum temperature of 80°K (-193°C), and has a complex, layered cloud structure with hydrogen thought to make up the lowest clouds, and xenon the uppermost layer of clouds. This cold planet is named after the deity Nebya'kuya, the messenger of dreams.

The volume of water ice in the south polar ice cap, if melted, would be sufficient to cover the entire planetary surface to a depth of 16 meters.

In late February 2300, Nebya'kuya was visited by the New Horizons probe, which used Nebya'kuya's gravity to increase its speed and bend its trajectory en route to Ripyo.
AtmosphereXenon99%
Hydrogen0.36%
Carbon dioxide0.07%
Ammonium hydrosulfide (NH4SH)0.00073%
Atmospheric pressure0.001 bar
artist's rendition
MoonChumyuSmall slightly egg-shaped gaseous moon
Sanezaso SopeSmall potato shaped rocky moon
Gebipo Hyusa JoMedium-sized potato shaped gaseous asteroid
Kizara-rugeMedium-sized irregular rocky comet
Zeryu Chacha-gyoLarge irregular rocky asteroid
NshudaLarge round oceanic comet
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