Kepler-661 b is a Neptune-like exoplanet that orbits a K-type star. Its mass is 9.64 Earths, it takes 6 days to complete one orbit of its star, and is 0.0585 AU from its star. Its discovery was announced in 2016.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2016
MASS
9.64 Earths
PLANET RADIUS
0.274 x Jupiter
ORBITAL RADIUS
0.0585 AU
ORBITAL PERIOD
6 days
ECCENTRICITY
0.0
DETECTION METHOD