HD 219828 b is a Neptune-like exoplanet that orbits a G-type star. Its mass is 18.94937 Earths, it takes 3.8 days to complete one orbit of its star, and is 0.048559 AU from its star. Its discovery was announced in 2007.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2007
MASS
18.94937 Earths
PLANET RADIUS
0.408 x Jupiter
(estimate)
ORBITAL RADIUS
0.048559 AU
ORBITAL PERIOD
3.8 days
ECCENTRICITY
0.09
DETECTION METHOD