GJ 3138 c is a Neptune-like exoplanet that orbits a K-type star. Its mass is at least 4.18 Earths, it takes 6 days to complete one orbit of its star, and is 0.057 AU from its star. Its discovery was announced in 2017.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2017
MASS
at least 4.18 Earths
PLANET RADIUS
Unknown
ORBITAL RADIUS
0.057 AU
ORBITAL PERIOD
6 days
ECCENTRICITY
0.11
DETECTION METHOD
Radial Velocity