artist rendition
Artist's concept

HD 17156 b is a Super Earth exoplanet that orbits a F-type star. Its mass is 3.22 Jupiter, it takes 21.2 days to complete one orbit of its star, and is 0.1614 AU from its star. Its discovery was announced in 2007.

PLANET TYPE
Super-earth
DISCOVERY DATE
2007
MASS
3.22 Jupiter
PLANET RADIUS
1.02 x Jupiter
ORBITAL RADIUS
0.1614 AU
ORBITAL PERIOD
21.2 days
ECCENTRICITY
0.6819
DETECTION METHOD
Radial Velocity