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Nenal-atyr (K2-187 b), Exoplanets
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Info for exoplanet "Nenal-atyr"


Scientific (actual) data
NameK2-187 b
Planet statusConfirmed
Radius0.116
Orbital period0.77392
Semi major axis0.0164
Discovered2018
Updated2021-02-05
Tconj2457140
Impact parameter0.41
Temp calculated1815
PublicationPublished in a refereed paper
Detection typePrimary Transit
Alternate names2MASS J08500566+2311333 b, EPIC 212157262 b, EPIC 212157262.04, WISE J085005.65+231133.0 b
Star nameK2-187
Ra132.52°
Dec23.19°
Mag j11.687
Mag h11.289
Star distance333.51
Star metallicity0.23
Star mass0.98
Star radius0.92
Star temperature5484
Star alternate names2MASS J08500566+2311333, EPIC 212157262, WISE J085005.65+231133.0
Wikipedia articleK2-187 b

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Fictional info (?)
Nenal-atyr
Hot planet
The atmospheric pressure at the planet's surface is 0.08 bar, or roughly the pressure found 945 m under the oceans of Earth.

It was the one of the first exoplanets visited by a spacecraft, and one of the first to be successfully landed on.

The smooth Borealis basin in the northern hemisphere covers 11 percent of the planet and may be a giant impact feature.
AtmosphereHelium81%
Ethane16%
Hydrogen chloride2%
0.08 bar
0 × Earth
artist's rendition
MoonEbysylMedium-sized slightly egg-shaped ice planetoid
YpufLarge potato shaped rocky asteroid
Efadepa JavurezLarge round ice moon
Zeje'rosemLarge round gaseous moon
IlaciLarge almost round gaseous comet
Uruni-bonod AhLarge potato shaped ice planetoid
Ozyz AxibuMedium-sized slightly egg-shaped ice planetoid
Eluh'isesSmall slightly egg-shaped rocky asteroid
Etin-opHuge slightly egg-shaped ice planetoid
Idevok IninuquLarge potato shaped rocky moon
Enub-atum UjoMedium-sized irregular rocky moon
BogiMedium-sized potato shaped rocky asteroid
OdiqozeMedium-sized almost round ice moon
Ixineta'vumomeHuge potato shaped gaseous asteroid
Google search for Nenal-atyr


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