GJ 338 B b is a Neptune-like exoplanet that orbits a K-type star. Its mass is 10.27 Earths, it takes 24.5 days to complete one orbit of its star, and is 0.141 AU from its star. Its discovery was announced in 2020.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2020
MASS
10.27 Earths
PLANET RADIUS
0.284 x Jupiter
(estimate)
ORBITAL RADIUS
0.141 AU
ORBITAL PERIOD
24.5 days
ECCENTRICITY
0.11
DETECTION METHOD