Exoplanet CatalogExoplanet HD 22781 b
Radius12.30 R⊕Earth = 1
Mass4,338.2 M⊕Earth = 1
Orbital period528.07 d
Equilibrium temp.193 K≈ -80 °C
Distance106.3 ly
Discovered2011Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.30
Where it sits among all planets (percentile)
77%
98%
91%
5%
9%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 22781 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 22781 b | 528.07 | 12.30 | 4,338.2 | 193 | 2011 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 22781 | K1 | 5,027 | 0.74 | 0.75 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.