Exoplanet CatalogExoplanet HD 217958 b
Radius14.20 R⊕Earth = 1
Mass166.5 M⊕Earth = 1
Orbital period2,560.20 d
Equilibrium temp.170 K≈ -103 °C
Distance201.6 ly
Discovered2022Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
14.20
Where it sits among all planets (percentile)
94%
74%
96%
4%
18%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 217958 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 217958 b | 2,560.20 | 14.20 | 166.5 | 170 | 2022 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 217958 | – | 5,931 | 1.33 | 1.08 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.