artist rendition
Artist's concept

Kepler-391 c is a Neptune-like exoplanet that orbits a K-type star. Its mass is Unknown, it takes 20.5 days to complete one orbit of its star, and is 0.161 AU from its star. Its discovery was announced in 2014.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2014
MASS
Unknown
PLANET RADIUS
0.316 x Jupiter
ORBITAL RADIUS
0.161 AU
ORBITAL PERIOD
20.5 days
ECCENTRICITY
Unknown
DETECTION METHOD
Transit