Exoplanet CatalogExoplanet HD 171238 b
Radius12.50 R⊕Earth = 1
Mass2,796.9 M⊕Earth = 1
Orbital period1,515.00 d
Equilibrium temp.167 K≈ -106 °C
Distance146.2 ly
Discovered2009Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.50
Where it sits among all planets (percentile)
79%
96%
95%
4%
14%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 171238 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 171238 b | 1,515.00 | 12.50 | 2,796.9 | 167 | 2009 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 171238 | G8 V | 5,467 | 1.01 | 0.92 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.