artist rendition
Artist's concept

HD 40307 g is a gas giant exoplanet that orbits a K-type star. Its mass is at least 7.1 Earth, it takes 197.8 days to complete one orbit of its star, and is 0.6 AU from its star. Its discovery was announced in 2013.

PLANET TYPE
Gas Giant
DISCOVERY DATE
2013
MASS
at least 7.1 Earth
PLANET RADIUS
Unknown
ORBITAL RADIUS
0.6 AU
ORBITAL PERIOD
197.8 days
ECCENTRICITY
0.29
DETECTION METHOD
Radial Velocity