Exoplanet CatalogExoplanet HD 39855 b
Radius2.85 R⊕Earth = 1
Mass8.5 M⊕Earth = 1
Orbital period3.25 d
Equilibrium temp.1,146 K≈ 873 °C
Distance75.9 ly
Discovered2019Radial Velocity
Size compared (radius, Earth = 1)
1.00
2.85
3.88
11.21
Where it sits among all planets (percentile)
50%
47%
16%
78%
6%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 39855 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 39855 b | 3.25 | 2.85 | 8.5 | 1,146 | 2019 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 39855 | G8 V | 5,576 | 0.74 | 0.87 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.