Exoplanet HD 220689 b
Radius13.70 R⊕Earth = 1
Mass381.4 M⊕Earth = 1
Orbital period2,266.40 d
Equilibrium temp.160 K≈ -113 °C
Distance152.9 ly
Discovered2012Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.70
Where it sits among all planets (percentile)
90%
82%
96%
4%
14%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 220689 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 220689 b | 2,266.40 | 13.70 | 381.4 | 160 | 2012 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 220689 | G3 V | 5,921 | 1.07 | 1.02 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.