HD 219666 b is a Neptune-like exoplanet that orbits a G-type star. Its mass is 16.6 Earths, it takes 6 days to complete one orbit of its star, and is 0.06356 AU from its star. Its discovery was announced in 2018.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2018
MASS
16.6 Earths
PLANET RADIUS
0.42 x Jupiter
ORBITAL RADIUS
0.06356 AU
ORBITAL PERIOD
6 days
ECCENTRICITY
0.0
DETECTION METHOD
Transit