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Info for exoplanet "Togyachi"


Scientific (actual) data
PlanetHD 18742 b
Planet statusConfirmed
Mass sini3.4
Radius1.166
Orbital period766
Semi major axis1.82
Orbit eccentricity0.04
Angular distance0.014222
Discovered2011
Updated2018-12-21
Omega190
Tperi2455280
K61
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Mass detection typeRadial Velocity
Radius detection typeTheoretical
Star nameHD 18742
Right ascension45.04°
Declination-20.8°
Mag v7.81
Star distance135
Star metallicity-0.04
Star mass1.36
Star radius5.13
Star sp typeG8/K0
Star age2.3
Star temperature4940
Wikipedia articleHD 18742 b

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Fictional info (?)
Suggested nameTogyachi
Planet typeCold planet
It is the coldest planetary atmosphere in its solar system, with a minimum temperature of 68°K (-205°C), and has a complex, layered cloud structure with oxygen thought to make up the lowest clouds, and sulfur dioxide the uppermost layer of clouds. It is named after the deity Togyachi, the goddess of the sky.

At this time it may appear as a bright star-like object, but is often far more difficult to observe than Efuboka Roko.

The polar regions are constantly below 234°K (-39°C).

Liquid water cannot exist on the surface of Togyachi due to low atmospheric pressure, which is less than 5 percent of Efuboka Roko's, except at the lowest elevations for limited periods.

Because of its fast rotation, the planet's shape is that of an oblate spheroid (it has a slight but noticeable bulge around the equator).
AtmosphereSulfur dioxide87%
Oxygen13%
Atmospheric pressure100 bar
artist's rendition
No known satellites
Google search for Togyachi


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