artist rendition
Artist's concept

HD 222155 b is a gas giant exoplanet that orbits a G-type star. Its mass is at least 1.9 Jupiter, it takes 11 years to complete one orbit of its star, and is 5.1 AU from its star. Its discovery was announced in 2011.

PLANET TYPE
Gas Giant
DISCOVERY DATE
2011
MASS
at least 1.9 Jupiter
PLANET RADIUS
Unknown
ORBITAL RADIUS
5.1 AU
ORBITAL PERIOD
11 years
ECCENTRICITY
0.16
DETECTION METHOD
Radial Velocity