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Info for exoplanet "Etayube"


Scientific (actual) data
PlanetHD 133131 A c
Planet statusConfirmed
Mass sini0.48
Orbital period3407
Semi major axis4.36
Orbit eccentricity0.47
Discovered2016
Updated2016-08-24
Tperi2452280
K7.57
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Mass detection typeRadial Velocity
Star nameHD 133131 A
Right ascension225.9°
Declination-27.84°
Mag v8.4
Star distance47
Star metallicity-0.306
Star mass0.95
Star sp typeG2V
Star age9.7
Star temperature5799
Wikipedia articleHD 133131 A c

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Fictional info (?)
Suggested nameEtayube
Planet typeCold planet
Etayube and Jipise-kocha are cold planets rich in ice. This cold planet is named after the deity Etayube, the demon of love and beauty.

An observer on Etayube would therefore see only one day every two years.

Etayube's axis has the smallest tilt of any of its solar system's planets.

The volume of water detected has been estimated to be equivalent to the volume of water in Lake Superior.

Etayube is primarily composed of molecular hydrogen with a significant part of its mass being xenon, though xenon comprises only about a small amount of the number of molecules. 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).
AtmosphereMolecular hydrogen71%
Xenon20%
Hydrogen chloride8.1%
Water vapor0.00031%
Atmospheric pressure3.1 bar
artist's rendition
No known satellites
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