SCIENCE ›

K2-398 b is a Neptune-like exoplanet that orbits a G-type star. Its mass is 5.79 Earths and it takes 6.4 days to complete one orbit of its star. Its discovery was announced in 2022.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2022
MASS
5.79 Earths
PLANET RADIUS
0.203 x Jupiter
ORBITAL RADIUS
Unknown
ORBITAL PERIOD
6.4 days
ECCENTRICITY
0.0
DETECTION METHOD