exoplanet_descriptions/k2-302_b.txt Obeju-pya (K2-302 b) - Exoplanets
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Info for exoplanet "Obeju-pya"


Scientific (actual) data
NameK2-302 b
Planet statusConfirmed
Radius0.08
Orbital period2.25372
Semi major axis0.0203
Discovered2019
Updated2024-07-12
Tconj2457010
Impact parameter0.28
PublicationPublished in a refereed paper
Detection typePrimary Transit
Alternate names2MASS J22202278-0930341 b, EPIC 206215704.02, EPIC 206215704 b
Star nameK2-302
Right ascension335.1°
Declination-9.51°
Mag j13.561
Mag h12.954
Star distance109.888
Star metallicity-0.33
Star mass0.221
Star radius0.25
Star sp typeM4V
Star temperature3467
Star alternate names2MASS J22202278-0930341, EPIC 206215704
Wikipedia articleK2-302 b

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Fictional info (?)
Suggested nameObeju-pya
Planet typeHot planet
It has the longest rotation period (445 days) of any planet in its solar system and rotates in the opposite direction to most other planets.

It may have had nitrogen oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.
AtmosphereAmmonium hydrosulfide (NH4SH)60%
Sulfur dioxide31%
Nitrogen5.9%
Krypton1.5%
Water vapor0.15%
Atmospheric pressure80 bar
artist's rendition
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HohyuryuMedium-sized irregular gaseous planetoid
NedoLarge round gaseous moon
TaronuSmall irregular rocky moon
Gedawo RyuHuge slightly egg-shaped rocky asteroid
Socha Hoecho HiSmall potato shaped ice moon
Chakyu GyarokeMedium-sized slightly egg-shaped oceanic asteroid
Yoyoobyu PemuMedium-sized round rocky moon
Ganyapyo-shiMedium-sized almost round oceanic comet
Kyaa KikyoLarge round crater-filled asteroid
Taro PaMedium-sized slightly egg-shaped gaseous asteroid
Akechi PachoHuge round gaseous asteroid
Tokyuwa ByuhoVery small potato shaped rocky moon
Dopyu BishaLarge potato shaped gaseous comet
Hegyu Hyukya ChiVery small potato shaped rocky comet
Boshu-hyoso HyoMedium-sized slightly egg-shaped crater-filled comet
NyumiVery small slightly egg-shaped ice comet
KyuryaHuge irregular gaseous moon
Zekuna Dogokya SaLarge irregular rocky moon
SekuiseLarge round rocky asteroid
Bubyu MyogaLarge almost round crater-filled asteroid
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