K2-4 b is a Neptune-like exoplanet that orbits a K-type star. Its mass is 5.06 Earths, it takes 10 days to complete one orbit of its star, and is 0.078 AU from its star. Its discovery was announced in 2015.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2015
MASS
5.06 Earths
PLANET RADIUS
2.1 x Earth
ORBITAL RADIUS
0.078 AU
ORBITAL PERIOD
10 days
ECCENTRICITY
0.08
DETECTION METHOD