Exoplanet Catalog
K2-139 b
K2-139 b is a gas giant exoplanet that orbits a G-type star. Its mass is 0.387 Jupiters, it takes 28.4 days to complete one orbit of its star, and is 0.1796 AU from its star. Its discovery was announced in 2017.
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PLANET TYPE
Gas Giant
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DISCOVERY DATE
2017
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MASS
0.387 Jupiters
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PLANET RADIUS
0.813 x Jupiter
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ORBITAL RADIUS
0.1796 AU
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ORBITAL PERIOD
28.4 days
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ECCENTRICITY
0.12
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DETECTION METHOD
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