KOI-1257 b is a gas giant exoplanet that orbits a G-type star. Its mass is 1.45 Jupiters, it takes 86.6 days to complete one orbit of its star, and is 0.382 AU from its star. Its discovery was announced in 2014.

PLANET TYPE
Gas Giant
DISCOVERY DATE
2014
MASS
1.45 Jupiters
PLANET RADIUS
0.94 x Jupiter
ORBITAL RADIUS
0.382 AU
ORBITAL PERIOD
86.6 days
ECCENTRICITY
0.772
DETECTION METHOD
Transit