K2-399 b is a Neptune-like exoplanet that orbits a G-type star. Its mass is 30.5 Earths and it takes 0.8 days to complete one orbit of its star. Its discovery was announced in 2022.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2022
MASS
30.5 Earths
PLANET RADIUS
0.54 x Jupiter
ORBITAL RADIUS
Unknown
ORBITAL PERIOD
0.8 days
ECCENTRICITY
0.0
DETECTION METHOD