artist rendition
Artist's concept

K2-123 b is a Neptune-like exoplanet that orbits a K-type star. Its mass is Unknown, it takes 31 days to complete one orbit of its star, and is 0.167 AU from its star. Its discovery was announced in 2017.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2017
MASS
Unknown
PLANET RADIUS
0.236 x Jupiter
ORBITAL RADIUS
0.167 AU
ORBITAL PERIOD
31 days
ECCENTRICITY
0.06
DETECTION METHOD
Transit