exoplanet_descriptions/kepler-255_b.txt Sietar (Kepler-255 b) - Exoplanets
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Info for exoplanet "Sietar"


Scientific (actual) data
NameKepler-255 b
Planet statusConfirmed
Radius0.138
Orbital period5.71461
Semi major axis0.063
Discovered2014
Updated2021-02-05
Tconj2454970
Impact parameter0.01
PublicationAnnounced on a website
Detection typePrimary Transit
Alternate names2MASS J19441541+4558366 b, K00938.03, KIC 9415172 b, KOI-938 b, KOI-938.03, WISE J194415.42+455836.4 b
Star nameKepler-255
Right ascension296.06°
Declination45.98°
Mag j14.227
Mag h13.854
Mag k13.689
Star distance1084.5
Star metallicity0.212
Star mass0.97
Star radius0.93
Star temperature5573
Star alternate names2MASS J19441541+4558366, KIC 9415172, KOI-938, WISE J194415.42+455836.4
Wikipedia articleKepler-255 b

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Fictional info (?)
Suggested nameSietar
Planet typeHot planet
A prominent result is the "great red spot", a giant storm that is known to have existed for centuries since it was first observed by radar.
AtmosphereNeon70%
Helium29%
Xenon0.21%
Hydrogen deuteride (HD)0.038%
Nitrogen0.0036%
Sulfur dioxide0.0015%
Atmospheric pressure13 bar
artist's rendition
No known satellites
Google search for Sietar


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