artist rendition
Artist's concept

Kepler-51 b is a Neptune-like exoplanet that orbits a F-type star. Its mass is 2.1 Earths, it takes 45.2 days to complete one orbit of its star, and is 0.2514 AU from its star. Its discovery was announced in 2012.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2012
MASS
2.1 Earths
PLANET RADIUS
0.633 x Jupiter
ORBITAL RADIUS
0.2514 AU
ORBITAL PERIOD
45.2 days
ECCENTRICITY
0.04
DETECTION METHOD
Transit