exoplanet_descriptions/hd_81817_b.txt Tajonya Dopa (HD 81817 b) - Astro
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Info for exoplanet "Tajonya Dopa"


Scientific (actual) data
NameHD 81817 b
Planet statusConfirmed
Planet mass24.128
Orbital period1021.2
Semi major axis3.233
Orbit eccentricity0.097
Inclination95.594
Discovered2020
Updated2024-06-24
Omega294.231
K183.422
PublicationPublished in a refereed paper
Detection typeRadial Velocity, Astrometry
Mass measurement typeAstrometry
Star nameHD 81817
Right ascension144.27°
Declination81.31°
Mag v4.4
Star distance269.126
Star metallicity-0.17
Star mass4.3
Star radius91.4
Star sp typeK3II-III
Star age0.15
Star temperature4245
Wikipedia articleHD 81817 b

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Fictional info (?)
Suggested nameTajonya Dopa
Planet typeHuge cold gas giant
AtmosphereHydrogen chloride32%
Ammonium hydrosulfide (NH4SH)32%
Oxygen23%
Carbon dioxide12%
2H2O0.16%
Nitric oxide1.1E-5%
Atmospheric pressure1.3 bar
artist's rendition
MoonGyuryu'kyofu MaVery small round rocky moon
Yazu Numu-gafuSmall almost round crater-filled moon
Ryokyamyo GaSmall round rocky moon
Sopepimya GabeLarge slightly egg-shaped crater-filled asteroid
Ryashonya-bobyoHuge slightly egg-shaped oceanic asteroid
ChinoHuge round oceanic comet
Kyosha-yahyo-taLarge round rocky moon
Pome RuSmall irregular rocky moon
SefuSmall potato shaped crater-filled planetoid
Igipese'noVery small slightly egg-shaped rocky moon
Ryoribyu RyuHuge almost round ice moon
RoraHuge slightly egg-shaped rocky planetoid
Gopyuna-shogapeVery small almost round ice comet
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