HD 219828 b is a Neptune-like exoplanet that orbits a G-type star. Its mass is 20.97678 Earths, it takes 3.8 days to complete one orbit of its star, and is 0.0507 AU from its star. Its discovery was announced in 2007.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2007
MASS
20.97678 Earths
PLANET RADIUS
0.433 x Jupiter
(estimate)
ORBITAL RADIUS
0.0507 AU
ORBITAL PERIOD
3.8 days
ECCENTRICITY
0.1
DETECTION METHOD