GJ 229 b is a Neptune-like exoplanet that orbits a K-type star. Its mass is 32 Earths, it takes 471 days to complete one orbit of its star, and is 0.97 AU from its star. Its discovery was announced in 2014.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2014
MASS
32 Earths
PLANET RADIUS
0.555 x Jupiter
(estimate)
ORBITAL RADIUS
0.97 AU
ORBITAL PERIOD
471 days
ECCENTRICITY
0.1
DETECTION METHOD