artist rendition
Artist's concept

HD 219828 b is a gas giant exoplanet that orbits a G-type star. Its mass is at least 21 Earth, it takes 3.8 days to complete one orbit of its star, and is 0.045 AU from its star. Its discovery was announced in 2007.

PLANET TYPE
Gas Giant
DISCOVERY DATE
2007
MASS
at least 21 Earth
PLANET RADIUS
Unknown
ORBITAL RADIUS
0.045 AU
ORBITAL PERIOD
3.8 days
ECCENTRICITY
0.059
DETECTION METHOD
Radial Velocity