exoplanet_descriptions/kepler-1831_b.txt Aramir-tolas (Kepler-1831 b) - Astro
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Info for exoplanet "Aramir-tolas"


Scientific (actual) data
NameKepler-1831 b
Planet statusConfirmed
Radius0.1758
Orbital period5.78387
Semi major axis0.0655
Orbit eccentricity0
Inclination89.59
Discovered2017
Updated2024-06-17
Tzero tr2454970
Impact parameter0.227
Temperature (kelvin)1051
PublicationAnnounced on a website
Detection typePrimary Transit
Radius measurement typePrimary Transit
Alternate namesKOI-2361 b, KOI-2361.01
Star nameKepler-1831
Right ascension295.3°
Declination49.59°
Mag v15.158
Mag i14.851
Mag j13.901
Mag h13.612
Mag k13.538
Star distance1053.49
Star metallicity0.07
Star mass1.03
Star radius0.948
Star sp typeG2V
Star age0.3
Star temperature5774
Star alternate namesKIC 11566256, KOI-2361
Wikipedia articleKepler-1831 b

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Fictional info (?)
Suggested nameAramir-tolas
Planet typeHot planet
It is radically different from Earth in other respects. . It may have had ethane oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.

Its north and south poles, therefore, lie where most other planets have their equators.
Atmosphere2H2O39%
Nitrogen25%
Ethane15%
Formaldehyde12%
Hydrogen chloride3.4%
Krypton3.3%
Carbon dioxide0.9%
Atmospheric pressure0.005 bar
artist's rendition
MoonIsoariel-mirLarge round oceanic moon
Stolene-cresseteHuge almost round rocky moon
PolydaphLarge almost round ice comet
Raseuan SurtoHuge round rocky moon
Sielind Komir TheusVery small almost round gaseous moon
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