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Ouch (TOI-396 Ad), Exoplanets
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Info for exoplanet "Ouch"


Scientific (actual) data
NameTOI-396 Ad
Planet statusConfirmed
Planet mass0.0223
Radius0.18
Orbital period11.2305
Semi major axis0.1046
Orbit eccentricity0.28
Inclination87.7
Discovered2019
Updated2025-11-25
Tzero tr2458410
Impact parameter0.712
K1.78
Temp calculated1061
PublicationPublished in a refereed paper
Detection typePrimary Transit
Mass measurement typeRadial Velocity
Radius measurement typePrimary Transit
Alternate namesHD 17926 Ad, HR 858 Ad
Star nameHR 858 A
Ra42.98°
Dec-30.81°
Mag v6.4
Star distance32
Star metallicity-0.14
Star mass1.145
Star radius1.31
Star sp typeF8IV-V
Star temperature6201
Star alternate namesHD 17926, TOI-396, TIC 178155732
Wikipedia articleTOI-396 Ad

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Fictional info (?)
Ouch
Small warm gas planet
The polar regions are constantly below 252°K (-21°C).
AtmosphereNitric oxide54%
Neon44%
Formaldehyde1%
Krypton0.76%
Hydrogen peroxide0.42%
Ozone0.00067%
0.004 bar
1.8 × Earth
artist's rendition
MoonEngkLarge irregular rocky moon
Wushou-xaiMedium-sized round ice planetoid
RyinMedium-sized irregular rocky asteroid
Wotye QyueVery small almost round crater-filled asteroid
LyingLarge round ice moon
YuancwengSmall potato shaped gaseous asteroid
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