HAT-P-17

HAT-P-17 is a K star 301 light years away with 2 known planets. They were all found in 2012.

Open in 3D

Planets

PlanetOrbital periodDistance from starRadius (Earths)Mass (Earths)FoundMethod
HAT-P-17 b10.34 days0.0892 AU11.77184.32012Transit
HAT-P-17 c15.29 years5.6 AUat least 1,0812012Radial Velocity

"At least" is a minimum mass. Radial velocity can only measure mass times the sine of the orbit's tilt.

Star

Data from the NASA Exoplanet Archive, as of October 3, 2026. In the 3D view sizes and distances are compressed and every orbit is drawn in the same plane. Where each planet sits along its orbit is made up.