Planetary system

tau Cet system

Exoplanets

System overview

The tau Cet system has 3 known planets in this catalogue, orbiting the star Tau Ceti, all discovered in 2017.

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
tau Cet gRadial Velocity · 2017	Terrestrial planet	1.18	20	12
tau Cet hRadial Velocity · 2017	Terrestrial planet	1.19	49.41	12
tau Cet fRadial Velocity · 2017	Super-Earth	1.81	636	12