Exoplanet CatalogExoplanet HD 156668 c
Radius6.17 R⊕Earth = 1
Mass31.5 M⊕Earth = 1
Orbital period811.30 d
Equilibrium temp.166 K≈ -107 °C
Distance79.4 ly
Discovered2021Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
6.17
11.21
Where it sits among all planets (percentile)
66%
65%
93%
4%
7%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 156668 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 156668 b | 4.65 | 1.87 | 4.2 | 887 | 2010 |
| HD 156668 c | 811.30 | 6.17 | 31.5 | 166 | 2021 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 156668 | K2 | 4,904 | 0.77 | 0.79 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.