Exoplanet CatalogExoplanet HD 156668 b
Radius1.87 R⊕Earth = 1
Mass4.2 M⊕Earth = 1
Orbital period4.65 d
Equilibrium temp.887 K≈ 614 °C
Distance79.4 ly
Discovered2010Radial Velocity
Size compared (radius, Earth = 1)
1.00
1.87
3.88
11.21
Where it sits among all planets (percentile)
25%
24%
28%
61%
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 | 4,850 | 0.72 | 0.77 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.