Exoplanet CatalogExoplanet tau Boo b
Radius12.80 R⊕Earth = 1
Mass1,891.0 M⊕Earth = 1
Orbital period3.31 d
Equilibrium temp.1,682 K≈ 1,409 °C
Distance51.1 ly
Discovered1996Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.80
Where it sits among all planets (percentile)
82%
94%
16%
94%
4%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of tau Boo (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| tau Boo b | 3.31 | 12.80 | 1,891.0 | 1,682 | 1996 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| tau Boo | F7 V | 6,466 | 1.43 | 1.32 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.