exoplanet_descriptions/kepler-18_c.txt Hewa Tsu (Kepler-18 c) - Exoplanets
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Info for exoplanet "Hewa Tsu"


Scientific (actual) data
NameKepler-18 c
Planet statusConfirmed
Planet mass0.054
Radius0.49
Orbital period7.64159
Semi major axis0.0752
Orbit eccentricity0
Inclination87.68
Discovered2011
Updated2021-02-05
Tconj2455170
Tzero tr2455170
Impact parameter0.593
K5.1
PublicationPublished in a refereed paper
Detection typePrimary Transit
Alternate names2MASS J19521906+4444467 c, GSC 03149-02089 c, K00137.01, KIC 8644288 c, KOI-137 c, KOI-137.01, WISE J195219.06+444446.6 c
Star nameKepler-18
Right ascension298.08°
Declination44.75°
Mag v14
Mag j12.189
Mag h11.873
Star distance438.51
Star metallicity0.19
Star mass0.97
Star radius1.11
Star age10
Star temperature5345
Star alternate names2MASS J19521906+4444467, GSC 03149-02089, KIC 8644288, KOI-137, WISE J195219.06+444446.6
Wikipedia articleKepler-18 c

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Fictional info (?)
Suggested nameHewa Tsu
Planet typeSmall warm gas planet
.

Because of its rapid rotation, the planet's shape is that of an oblate spheroid (it has a slight but noticeable bulge around the equator).

Wind speeds can reach 86 metres per second.
AtmosphereSulfur dioxide65%
Molecular hydrogen32%
Ethane1.7%
Carbon monoxide7.6E-5%
Carbon dioxide0%
Atmospheric pressure2.8 bar
artist's rendition
No known satellites
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