artist rendition
Artist's concept

HAT-P-11 b is a Neptune-like exoplanet that orbits a K-type star. Its mass is 28.6047 Earths and it takes 4.9 days to complete one orbit of its star. Its discovery was announced in 2008.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2008
MASS
28.6047 Earths
PLANET RADIUS
0.43 x Jupiter
ORBITAL RADIUS
Unknown
ORBITAL PERIOD
4.9 days
ECCENTRICITY
0.2
DETECTION METHOD
Transit