SCIENCE ›

K2-398 c is a Neptune-like exoplanet that orbits a G-type star. Its mass is 22.8 Earths and it takes 18.8 days to complete one orbit of its star. Its discovery was announced in 2022.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2022
MASS
22.8 Earths
PLANET RADIUS
0.455 x Jupiter
ORBITAL RADIUS
Unknown
ORBITAL PERIOD
18.8 days
ECCENTRICITY
0.0
DETECTION METHOD