artist rendition
Artist's concept

HD 103197 b is a Neptune-like exoplanet that orbits a G-type star. Its mass is 28.6047 Earths, it takes 47.8 days to complete one orbit of its star, and is 0.25 AU from its star. Its discovery was announced in 2009.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2009
MASS
28.6047 Earths
PLANET RADIUS
Unknown
ORBITAL RADIUS
0.25 AU
ORBITAL PERIOD
47.8 days
ECCENTRICITY
0.0
DETECTION METHOD
Radial Velocity