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Info for exoplanet "Ropoza Kyu"


Scientific (actual) data
PlanetKepler-138 d
Planet statusConfirmed
Planet mass0.00201
Mass sini0.00318
Radius0.108
Orbital period23.0881
Orbit eccentricity0.024
Discovered2014
Updated2021-02-05
Omega170
Tconj2455700
Temperature (kelvin)431
PublicationAnnounced on a professional conference
Detection typePrimary Transit
Mass detection typeTTV
Alternate namesKOI-314.02, K000314.02, KOI-314 c, KOI-314d, 2MASS J19213157+4317347 d, K00314.02, KIC 7603200 d, KOI-314 d, WISE J192131.55+431734.9 d
Star nameKepler-138
Right ascension290.38°
Declination43.29°
Mag j10.293
Mag h9.68
Mag k9.506
Star distance66.99
Star metallicity-0.28
Star mass0.52
Star radius0.44
Star sp typeM1 V
Star temperature3841
Star alternate namesKOI-314, 2MASS J19213157+4317347, KIC 7603200, WISE J192131.55+431734.9
Wikipedia articleKepler-138 d

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Fictional info (?)
Suggested nameRopoza Kyu
Planet typeCold planet
Its orbital period around Kepler-138 of 23 earth days is the longest of all the planets in its solar system.

It is a cold planet planet with a mass one-thousandth that of Kepler-138, but two-and-a-half times that of all the other planets in its solar system combined. The planet is named after the deity Ropoza Kyu, the goddess of fear.

Its apparent magnitude reaches -3, which is surpassed only by Mijahami, Gahya-igaji, and Kepler-138.
AtmosphereAmmonia82%
Xenon16%
Ethane1.2%
2H2O0.084%
Atmospheric pressure7 bar
artist's rendition
No known satellites
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