Alpha Tauri

Listed as alf Tau in the NASA Exoplanet Archive.

Alpha Tauri is a K5 III star 66.6 light years away with 1 known planet. It was found in 2015. It has a companion star.

Open in 3D

Planets

PlanetOrbital periodDistance from starRadius (Earths)Mass (Earths)FoundMethod
alf Tau b (disputed)629 days1.46 AUat least 2,0562015Radial 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.