Exoplanet CatalogExoplanet HD 189733 b
Radius12.67 R⊕Earth = 1
Mass359.1 M⊕Earth = 1
Orbital period2.22 d
Equilibrium temp.1,209 K≈ 936 °C
Distance64.5 ly
Discovered2005Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.67
Where it sits among all planets (percentile)
81%
81%
8%
80%
5%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 189733 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 189733 b | 2.22 | 12.67 | 359.1 | 1,209 | 2005 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 189733 | K2 V | 5,052 | 0.75 | 0.79 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.