artist rendition
Artist's concept

K2-258 b is a Neptune-like exoplanet that orbits a F-type star. Its mass is Unknown, it takes 19.1 days to complete one orbit of its star, and is 0.149 AU from its star. Its discovery was announced in 2018.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2018
MASS
Unknown
PLANET RADIUS
0.268 x Jupiter
ORBITAL RADIUS
0.149 AU
ORBITAL PERIOD
19.1 days
ECCENTRICITY
Unknown
DETECTION METHOD
Transit