Exoplanet CatalogExoplanet HD 13931 b
Radius13.20 R⊕Earth = 1
Mass889.9 M⊕Earth = 1
Orbital period4,218.00 d
Equilibrium temp.139 K≈ -134 °C
Distance154.6 ly
Discovered2009Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.20
Where it sits among all planets (percentile)
85%
89%
98%
3%
14%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 13931 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 13931 b | 4,218.00 | 13.20 | 889.9 | 139 | 2009 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 13931 | G0 | 5,867 | 1.25 | 1.30 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.