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Info for exoplanet "Berjyao"


Scientific (actual) data
PlanetHD 187123 c
Planet statusConfirmed
Mass sini1.99
Orbital period3810
Semi major axis4.89
Orbit eccentricity0.252
Angular distance0.0978
Discovered2007
Updated2023-05-17
Omega250
Tperi53580
PublicationAnnounced on a professional conference
Detection typeRadial Velocity
Star nameHD 187123
Right ascension296.74°
Declination34.42°
Mag v7.86
Star distance50
Star metallicity0.16
Star mass1.06
Star radius1.17
Star sp typeG5
Star age5.33
Star temperature5714
Wikipedia articleHD 187123 c

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Fictional info (?)
Suggested nameBerjyao
Planet typeCold planet
Berjyao and Yehanch You are cold planets rich in iron. The planet is named after the deity Berjyao, the demon of the sky.

At this time it may appear as a bright star-like object, but is often far more difficult to observe than Yehanch You. The planet telescopically displays the complete range of phases, similar to Venus and the Moon, as it moves in its inner orbit relative to HD 187123, which reoccurs over the so-called synodic period approximately every 174 days.

It has the densest atmosphere of all the cold planets, consisting partly of xenon.

Berjyao's hazy clouds render observation of its surface difficult in visible light, and the first detailed maps did not emerge until the arrival of the Magellan orbiter 40 years ago.

The volume of water detected has been estimated to be equivalent to the volume of water in Lake Superior.
AtmosphereXenon38%
Carbon dioxide33%
Hydrogen peroxide16%
Formaldehyde4.7%
Hydrogen deuteride (HD)4.4%
Water vapor3.6%
Atmospheric pressure1.6 bar
artist's rendition
No known satellites
Google search for Berjyao


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