Exoplanet Catalog
Kepler-257 d
Kepler-257 d is a Neptune-like exoplanet that orbits a K-type star. Its mass is 21.7 Earths, it takes 24.7 days to complete one orbit of its star, and is 0.16 AU from its star. Its discovery was announced in 2014.
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PLANET TYPE
Neptune-like
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DISCOVERY DATE
2014
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MASS
21.7 Earths
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PLANET RADIUS
0.442 x Jupiter
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ORBITAL RADIUS
0.16 AU
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ORBITAL PERIOD
24.7 days
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ECCENTRICITY
0.0
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DETECTION METHOD
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