artist rendition
Artist's concept

HD 99109 b is a gas giant exoplanet that orbits a G-type star. Its mass is at least 0.502 Jupiter, it takes 439.3 days to complete one orbit of its star, and is 1.105 AU from its star. Its discovery was announced in 2005.

PLANET TYPE
Gas Giant
DISCOVERY DATE
2005
MASS
at least 0.502 Jupiter
PLANET RADIUS
Unknown
ORBITAL RADIUS
1.105 AU
ORBITAL PERIOD
439.3 days
ECCENTRICITY
0.09
DETECTION METHOD
Radial Velocity