exoplanet_descriptions/k2-31_ab.txt Rageso Chupu (K2-31 Ab) - Exoplanets
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Info for exoplanet "Rageso Chupu"


Scientific (actual) data
NameK2-31 Ab
Planet statusConfirmed
Planet mass1.774
Radius1.06
Orbital period1.25785
Semi major axis0.022
Orbit eccentricity0
Inclination79.9
Discovered2016
Updated2024-08-01
Tconj2457190
Tzero tr2457190
Impact parameter0.975
K350.9
PublicationPublished in a refereed paper
Detection typePrimary Transit
Mass measurement typeRadial Velocity
Radius measurement typePrimary Transit
Alternate namesK2-31 b, EPIC 204129699.01, WISE J162145.75-233253.2 b, EPIC 204129699 b, TYC 6794-00471-1 b, 2MASS J16214578-2332520 b
Star nameK2-31 A
Right ascension245.44°
Declination-23.55°
Mag v10.8
Mag j9.318
Mag h8.942
Mag k8.866
Star distance110.527
Star metallicity0.15
Star mass0.922
Star radius1.029
Star sp typeG7V
Star temperature5340
Star alternate namesEPIC 204129699, TYC 6794-471-1, 2MASS 16214578-2332520
Wikipedia articleK2-31 Ab

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Fictional info (?)
Suggested nameRageso Chupu
Planet typeHot gas giant
It is a hot gas giant planet with a mass one-thousandth that of K2-31 A, but two-and-a-half times that of all the other planets in its solar system combined.

As seen from K2-31 A, in a frame of reference that rotates with the orbital motion, it appears to rotate only once every two years.

The atmospheric pressure at the planet's surface is 12 bar, or roughly the pressure found 1440 m under the oceans of Earth.

Because of its fast rotation, the planet's shape is that of an oblate spheroid (it has a slight but noticeable bulge around the equator).
AtmosphereAmmonium hydrosulfide (NH4SH)46%
Argon27%
Hydrogen deuteride (HD)14%
Xenon13%
Hydrogen0.0099%
Sulfur dioxide0.0002%
Neon0%
Atmospheric pressure12 bar
artist's rendition
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PaehyuHuge slightly egg-shaped rocky moon
GyugyaVery small almost round oceanic moon
Ryanyono RaHuge almost round rocky moon
TenyaLarge potato shaped rocky planetoid
Hoga HesaLarge potato shaped rocky comet
Hyoji Nyare'gokyaLarge round gaseous asteroid
Ryuibo ByaVery small round crater-filled asteroid
WobuHuge almost round crater-filled asteroid
Riha'pyuLarge slightly egg-shaped gaseous moon
Nyopumu ChiSmall almost round rocky planetoid
DagoshiVery small almost round rocky planetoid
Yapugyu WaunanuMedium-sized potato shaped crater-filled moon
BodoVery small slightly egg-shaped crater-filled asteroid
Hogigu FuLarge almost round ice moon
Shipu Byuya-jaSmall slightly egg-shaped ice moon
Hyono Kekya PyoSmall almost round ice moon
PyukuSmall irregular ice asteroid
Yurya Shake RuHuge round ice planetoid
Maifu'ryuHuge round rocky asteroid
Hyaea BaMedium-sized slightly egg-shaped gaseous asteroid
Herya Tapi-haSmall almost round ice asteroid
Waha MeVery small round oceanic moon
Koipu-hyare YaLarge slightly egg-shaped gaseous asteroid
Byakyo-doyoyaLarge irregular rocky moon
ChuryaSmall round gaseous asteroid
ShuriLarge round ice asteroid
Jishike HamiozeLarge slightly egg-shaped oceanic asteroid
Kyabe GyuHuge potato shaped crater-filled moon
Shobyaza-ehaVery small irregular crater-filled asteroid
Ryumya'tsui-ryaMedium-sized potato shaped oceanic planetoid
Kazu-nyabe-beVery small round ice planetoid
Nyoze KiSmall round crater-filled asteroid
Ryakobe'boLarge round rocky planetoid
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