artist rendition
Artist's concept

Kepler-9 d is a Super Earth exoplanet that orbits a G-type star. Its mass is Unknown, it takes 1.6 days to complete one orbit of its star, and is 0.0273 AU from its star. Its discovery was announced in 2010.

PLANET TYPE
Super-earth
DISCOVERY DATE
2010
MASS
Unknown
PLANET RADIUS
1.64 x Earth
ORBITAL RADIUS
0.0273 AU
ORBITAL PERIOD
1.6 days
ECCENTRICITY
Unknown
DETECTION METHOD
Transit