Exoplanet CatalogExoplanet 16 Cyg B b
Radius13.50 R⊕Earth = 1
Mass565.7 M⊕Earth = 1
Orbital period798.50 d
Equilibrium temp.229 K≈ -44 °C
Distance68.9 ly
Discovered1996Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.50
Where it sits among all planets (percentile)
88%
85%
93%
7%
6%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of 16 Cyg B (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| 16 Cyg B b | 798.50 | 13.50 | 565.7 | 229 | 1996 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| 16 Cyg B | G3 V | 5,750 | 1.13 | 1.08 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.