Exoplanet CatalogExoplanet HD 154857 b
Radius13.30 R⊕Earth = 1
Mass778.7 M⊕Earth = 1
Orbital period408.60 d
Equilibrium temp.360 K≈ 87 °C
Distance206.9 ly
Discovered2004Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.30
Where it sits among all planets (percentile)
86%
88%
90%
15%
19%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 154857 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 154857 b | 408.60 | 13.30 | 778.7 | 360 | 2004 |
| HD 154857 c | 3,452.00 | 13.20 | 820.0 | 155 | 2014 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 154857 | G5 V | 5,589 | 2.30 | 1.96 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.