Exoplanet CatalogExoplanet tau Cet g
Radius1.18 R⊕Earth = 1
Mass1.8 M⊕Earth = 1
Orbital period20.00 d
Equilibrium temp.640 K≈ 366 °C
Distance11.8 ly
Discovered2017Radial Velocity
Size compared (radius, Earth = 1)
1.00
1.18
3.88
11.21
Where it sits among all planets (percentile)
7%
7%
65%
39%
0%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of tau Cet (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| tau Cet g | 20.00 | 1.18 | 1.8 | 640 | 2017 |
| tau Cet h | 49.41 | 1.19 | 1.8 | 473 | 2017 |
| tau Cet f | 636.13 | 1.81 | 3.9 | 202 | 2017 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| tau Cet | G8.5V | 5,310 | 0.83 | 0.78 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.