GJ 229 b is a Neptune-like exoplanet that orbits an M-type star. Its mass is 14.93794 Earths, it takes 1.6 years to complete one orbit of its star, and is 1.086 AU from its star. Its discovery was announced in 2014.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2014
MASS
14.93794 Earths
PLANET RADIUS
0.354 x Jupiter
(estimate)
ORBITAL RADIUS
1.086 AU
ORBITAL PERIOD
1.6 years
ECCENTRICITY
0.4
DETECTION METHOD