GJ 1214 b is a Neptune-like exoplanet that orbits an M-type star. Its mass is 8.17 Earths, it takes 1.6 days to complete one orbit of its star, and is 0.0149 AU from its star. Its discovery was announced in 2009.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2009
MASS
8.17 Earths
PLANET RADIUS
0.245 x Jupiter
ORBITAL RADIUS
0.0149 AU
ORBITAL PERIOD
1.6 days
ECCENTRICITY
< 0.063
DETECTION METHOD