Exoplanet HD 208897 b
Radius13.70 R⊕Earth = 1
Mass379.5 M⊕Earth = 1
Orbital period358.27 d
Equilibrium temp.507 K≈ 234 °C
Distance220.1 ly
Discovered2017Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.70
Where it sits among all planets (percentile)
90%
82%
89%
27%
20%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 208897 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 208897 b | 358.27 | 13.70 | 379.5 | 507 | 2017 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 208897 | K0 | 4,860 | 4.98 | 1.25 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.