HD 187123 b is a gas giant exoplanet that orbits a G-type star. Its mass is 0.523 Jupiters, it takes 3.1 days to complete one orbit of its star, and is 0.0426 AU from its star. Its discovery was announced in 1998.

PLANET TYPE
Gas Giant
DISCOVERY DATE
1998
MASS
0.523 Jupiters
PLANET RADIUS
1.27 x Jupiter
(estimate)
ORBITAL RADIUS
0.0426 AU
ORBITAL PERIOD
3.1 days
ECCENTRICITY
0.01
DETECTION METHOD