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Info for exoplanet "Doryo'hyo"


Scientific (actual) data
PlanetKOI-6931 b
Planet statusConfirmed
Radius0.106
Orbital period2.5403
Semi major axis0.0368
Inclination87.09
Discovered2017
Updated2022-06-08
Tzero tr2454970
Impact parameter0.5139
Temperature (kelvin)1268
PublicationPublished in a refereed paper
Detection typePrimary Transit
Radius detection typePrimary Transit
Star name2MASS J19420054+4336355
Right ascension295.5°
Declination43.61°
Mag i15.674
Mag j14.64
Mag h14.318
Mag k14.145
Star metallicity0.07
Star mass1.028
Star radius0.911
Star temperature5778
Star alternate names7902204
Wikipedia articleKOI-6931 b

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Fictional info (?)
Suggested nameDoryo'hyo
Planet typeHot planet
The planet is named after the deity Doryo'hyo, the bringer of destruction.

The polar regions are constantly below 144°K (-129°C).

It is radically different from Pyogen in other respects. Doryo'hyo is by far the hottest planet in its solar system, with a mean surface temperature of 566°K (293°C). It may have had ammonium hydrosulfide (NH4SH) oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.

Doryo'hyo was one of the first planets to have its motions plotted across the sky - as early as the second millennium BC.
AtmosphereArgon84%
Carbonyl sulfide11%
Ammonium hydrosulfide (NH4SH)3.6%
Neon0.2%
Atmospheric pressure1.4 bar
artist's rendition
No known satellites
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