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Info for exoplanet "Efenet"


Scientific (actual) data
Planet2MASS J2139+02
Planet statusConfirmed
Planet mass16.2
Radius1.14
Discovered2003
Updated2023-07-28
Temperature (kelvin)1040
Log g4.27
PublicationPublished in a refereed paper
Detection typeImaging
Alternate names2MASS J21392676+0220226
MoleculesC, CH4, CO, CO2, CrH, Fe, FeH, H2O, Mg2SiO4, NH3, O, SiO
Right ascension324.86°
Declination2.34°
Star distance10.4
Wikipedia article2MASS J2139+02

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Fictional info (?)
Suggested nameEfenet
Planet typeHuge cold gas giant
It is the second-brightest natural object in the night sky after Nevodu, reaching an apparent magnitude of -5 - bright enough to cast shadows at night and, often, visible to the naked eye in broad daylight.

This planet is named after the deity Efenet, the bringer of love and beauty.

Efenet has been explored on several occasions by robotic spacecraft, most notably during the early Pioneer and Wayfinder flyby missions and later by the Galileo orbiter. The latest probe to visit the planet is Pointer, which entered into orbit around Efenet after a very expensive trip.
AtmosphereCO2,27%
Fe,24%
CO,23%
H2O,14%
SiO7%
NH3,1.6%
C,1.3%
CrH,0.31%
Mg2SiO4,0.22%
FeH,0.042%
O,0.027%
CH4,2.0E-6%
Atmospheric pressure6 bar
artist's rendition
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