artist rendition
Artist's concept

Kepler-18 b is a Super Earth exoplanet that orbits a G-type star. Its mass is 6.9 Earth, it takes 3.5 days to complete one orbit of its star, and is 0.0447 AU from its star. Its discovery was announced in 2011.

PLANET TYPE
Super-earth
DISCOVERY DATE
2011
MASS
6.9 Earth
PLANET RADIUS
0.178 x Jupiter
ORBITAL RADIUS
0.0447 AU
ORBITAL PERIOD
3.5 days
ECCENTRICITY
0.0
DETECTION METHOD
Transit