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Info for exoplanet "Semose Nuo"


Scientific (actual) data
PlanetWASP-139 b
Planet statusConfirmed
Planet mass0.117
Radius0.8
Orbital period5.92426
Semi major axis0.062
Orbit eccentricity0
Inclination88.9
Discovered2016
Updated2016-07-11
Tzero tr2457200
Impact parameter0.33
K14
Temperature (kelvin)910
PublicationPublished in a refereed paper
Detection typePrimary Transit
Mass detection typeRadial Velocity
Radius detection typePrimary Transit
Star nameWASP-139
Right ascension49.56°
Declination-41.3°
Mag v12.4
Star distance230
Star metallicity0.2
Star sp typeK0
Star age0.5
Star temperature5310
Wikipedia articleWASP-139 b

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Fictional info (?)
Suggested nameSemose Nuo
Planet typeSmall hot gas planet
This planet is named after the deity Semose Nuo, the demon of destruction.

As seen from WASP-139, in a frame of reference that rotates with the orbital motion, it appears to rotate only once every two years.

Semose Nuo's hazy clouds render observation of its surface difficult in infrared light, and the first detailed maps did not emerge until the arrival of the Magellan orbiter 46 years ago.

The smooth Borealis basin in the northern hemisphere covers 25 percent of the planet and may be a giant impact feature.

Semose Nuo is primarily composed of ammonium hydrosulfide (NH4SH) with a significant part of its mass being xenon, though xenon comprises only about a tiny fraction of the number of molecules. Surrounding Semose Nuo is a irregular planetary ring system and a powerful magnetosphere.

Its north and south poles, therefore, lie where most other planets have their equators.
AtmosphereAmmonium hydrosulfide (NH4SH)89%
Xenon9.9%
Oxygen0.51%
2H2O0.2%
Molecular hydrogen0.00023%
Hydrogen chloride4.6E-5%
Atmospheric pressure0.8 bar
artist's rendition
No known satellites
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