About this system
The innermost, tau Cet g, circles it in 20 days; the outermost, tau Cet f, in 636 days.
Worlds of tau Cet
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| tau Cet g | Earth-sized | 1.2 × Earth | 20 days | 640 K |
| tau Cet h | Earth-sized | 1.2 × Earth | 49.4 days | 473 K |
| tau Cet f | Super-Earth | 1.8 × Earth | 636 days | 202 K |