exoplanet_descriptions/denis_j2252-1730_b.txt Yamu (DENIS J2252-1730 b) - Astro
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Info for exoplanet "Yamu"


Scientific (actual) data
NameDENIS J2252-1730 b
Planet statusConfirmed
Planet mass41
Orbital period3220
Semi major axis1.95
Orbit eccentricity0.334
Inclination108.6
Discovered2006
Updated2024-08-28
Omega314.6
PublicationPublished in a refereed paper
Detection typeImaging, Astrometry
Mass measurement typeAstrometry
Alternate namesDENIS-P J225210.73-173013.4 b, 2MASS J22521073-1730134 b
Right ascension343.05°
Declination-17.5°
Star distance15.9
Wikipedia articleDENIS J2252-1730 b

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Fictional info (?)
Suggested nameYamu
Planet typeHuge cold gas giant
The smooth Borealis basin in the northern hemisphere covers 19 percent of the planet and may be a giant impact feature.
AtmosphereMethane60%
Helium39%
Ammonia0.75%
Argon0.23%
Hydrogen chloride3.7E-5%
Formaldehyde0%
Atmospheric pressure80 bar
artist's rendition
MoonRibaro-dodaha RyaHuge round oceanic moon
NashaVery small round rocky planetoid
Gyuya Shiro ChuLarge slightly egg-shaped rocky planetoid
Ogiku-beVery small slightly egg-shaped ice asteroid
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