Exoplanet CatalogExoplanet HD 457 b
Radius11.90 R⊕Earth = 1
Mass8,445.3 M⊕Earth = 1
Orbital period20,324.58 d
Equilibrium temp.85 K≈ -188 °C
Distance179.5 ly
Discovered2022Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
11.90
Where it sits among all planets (percentile)
75%
100%
99%
1%
16%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 457 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 457 b | 20,324.58 | 11.90 | 8,445.3 | 85 | 2022 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 457 | – | 6,114 | 1.28 | 1.15 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.