artist rendition
Artist's concept

K2-39 b is a gas giant exoplanet that orbits a K-type star. Its mass is 39.8 Earth, it takes 4.6 days to complete one orbit of its star, and is 0.0574 AU from its star. Its discovery was announced in 2016.

PLANET TYPE
Gas Giant
DISCOVERY DATE
2016
MASS
39.8 Earth
PLANET RADIUS
0.509 x Jupiter
ORBITAL RADIUS
0.0574 AU
ORBITAL PERIOD
4.6 days
ECCENTRICITY
0.152
DETECTION METHOD
Transit