Exoplanet CatalogExoplanet HD 20868 b
Radius13.70 R⊕Earth = 1
Mass397.3 M⊕Earth = 1
Orbital period380.85 d
Equilibrium temp.207 K≈ -66 °C
Distance155.6 ly
Discovered2008Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.70
Where it sits among all planets (percentile)
90%
82%
89%
6%
15%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 20868 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 20868 b | 380.85 | 13.70 | 397.3 | 207 | 2008 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 20868 | K3/4 IV | 4,802 | 0.76 | 0.39 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.