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Info for exoplanet "Yuangwub"


Scientific (actual) data
Planet4 Uma b
Planet statusConfirmed
Mass sini7.1
Orbital period269.3
Semi major axis0.87
Orbit eccentricity0.432
Angular distance0.011083
Discovered2007
Updated2014-08-27
Omega23.81
Tperi2452990
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Star name4 Uma
Right ascension130.05°
Declination64.33°
Mag v5.79
Star distance78.5
Star metallicity-0.25
Star mass1.234
Star sp typeK1III
Star age4.604
Star temperature4415
Wikipedia article4 Uma b

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Fictional info (?)
Suggested nameYuangwub
Planet typeCold planet
Yuangwub's atmosphere is similar to Erswang's in its primary composition of nitrogen and hydrogen, but it contains more "ices" such as water, ammonia, and methane, along with traces of other hydrocarbons. This planet is named after the deity Yuangwub, the messenger of prosperity.

Yuangwub's surface appears extremely bruised and is similar in appearance to the Moon's, indicating that it has been geologically inactive for billions of years.

It may also have a rocky core of heavier elements, but like the other cold planets, Yuangwub lacks a well-defined ozone layer.
AtmosphereNitrogen54%
Hydrogen45%
Ethane0.33%
Molecular hydrogen0.11%
Atmospheric pressure2.4 bar
artist's rendition
MoonAoryinLarge slightly egg-shaped oceanic comet
Google search for Yuangwub


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