SCIENCE ›

K2-57 b is a Neptune-like exoplanet that orbits a K-type star. Its mass is 5.06 Earths, it takes 9 days to complete one orbit of its star, and is 0.0746 AU from its star. Its discovery was announced in 2016.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2016
MASS
5.06 Earths
PLANET RADIUS
2.1 x Earth
ORBITAL RADIUS
0.0746 AU
ORBITAL PERIOD
9 days
ECCENTRICITY
0.0
DETECTION METHOD