artist rendition
Artist's concept

Kepler-20 d is a Neptune-like exoplanet that orbits a G-type star. Its mass is 10.07 Earth, it takes 77.6 days to complete one orbit of its star, and is 0.3506 AU from its star. Its discovery was announced in 2011.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2011
MASS
10.07 Earth
PLANET RADIUS
0.245 x Jupiter
ORBITAL RADIUS
0.3506 AU
ORBITAL PERIOD
77.6 days
ECCENTRICITY
Unknown
DETECTION METHOD
Transit