artist rendition
Artist's concept

Kepler-223 c is a Neptune-like exoplanet that orbits an unknown-type star. Its mass is 5.1 Earth and it takes 9.8 days to complete one orbit of its star. Its discovery was announced in 2014.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2014
MASS
5.1 Earth
PLANET RADIUS
0.307 x Jupiter
ORBITAL RADIUS
Unknown
ORBITAL PERIOD
9.8 days
ECCENTRICITY
0.15
DETECTION METHOD
Transit