HD 40307 f is a Neptune-like exoplanet that orbits a K-type star. Its mass is 5.2 Earths, it takes 51.8 days to complete one orbit of its star, and is 0.247 AU from its star. Its discovery was announced in 2013.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2013
MASS
5.2 Earths
PLANET RADIUS
2.13 x Earth
(estimate)
ORBITAL RADIUS
0.247 AU
ORBITAL PERIOD
51.8 days
ECCENTRICITY
0.02
DETECTION METHOD