exoplanet_descriptions/kepler-991_b.txt Demedeia (Kepler-991 b) - Exoplanets
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Info for exoplanet "Demedeia"


Scientific (actual) data
NameKepler-991 b
Planet statusConfirmed
Radius0.227
Orbital period82.5342
Discovered2016
Updated2021-02-05
Tconj2455040
PublicationAnnounced on a website
Detection typePrimary Transit
Alternate names2MASS J19482175+4937356 b, K01876.01, KIC 11622600 b, KOI-1876 b, KOI-1876.01, WISE J194821.73+493735.4 b
Star nameKepler-991
Right ascension297.09°
Declination49.63°
Mag j13.329
Mag h12.72
Mag k12.611
Star distance370
Star metallicity-0.25
Star mass0.64
Star radius0.61
Star age3.47
Star temperature4392
Star alternate names2MASS J19482175+4937356, KIC 11622600, KOI-1876, WISE J194821.73+493735.4
Wikipedia articleKepler-991 b

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Fictional info (?)
Suggested nameDemedeia
Planet typeCold planet
.

The two polar ice caps appear to be made largely of dust.
AtmosphereAmmonium hydrosulfide (NH4SH)63%
Formaldehyde27%
Carbon dioxide6.2%
2H2O2.2%
Neon0.35%
Oxygen0.22%
Molecular hydrogen0.058%
Atmospheric pressure100 bar
artist's rendition
MoonLiaqMedium-sized slightly egg-shaped gaseous asteroid
Masnoe-siLarge round ice moon
Ditage LisviVery small potato shaped rocky asteroid
SaomoneVery small round crater-filled moon
Google search for Demedeia


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