artist rendition
Artist's concept

GJ 3138 c is a gas giant exoplanet that orbits a K-type star. Its mass is at least 4.18Earths, 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
Gas Giant
DISCOVERY DATE
2017
MASS
at least 4.18Earths
PLANET RADIUS
Unknown
ORBITAL RADIUS
0.057 AU
ORBITAL PERIOD
6 days
ECCENTRICITY
0.11
DETECTION METHOD
Radial Velocity