HD 181433

HD 181433 is a K3 IV star 87.7 light years away with 3 known planets. They were all found in 2008.

Open in 3D

Planets

PlanetOrbital periodDistance from starRadius (Earths)Mass (Earths)FoundMethod
HD 181433 b9.374 days0.0828 AUat least 7.222008Radial Velocity
HD 181433 c2.789 years1.885 AUat least 235.52008Radial Velocity
HD 181433 d18.88 years6.74 AUat least 206.92008Radial 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.