Exoplanet HD 40956 b
Radius13.20 R⊕Earth = 1
Mass858.1 M⊕Earth = 1
Orbital period578.60 d
Equilibrium temp.581 K≈ 307 °C
Distance380.3 ly
Discovered2017Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.20
Where it sits among all planets (percentile)
85%
89%
91%
34%
28%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 40956 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 40956 b | 578.60 | 13.20 | 858.1 | 581 | 2017 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 40956 | K0 | 4,869 | 8.56 | 2.00 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.