Exoplanet CatalogExoplanet HD 177830 b
Radius13.50 R⊕Earth = 1
Mass537.1 M⊕Earth = 1
Orbital period410.10 d
Equilibrium temp.400 K≈ 126 °C
Distance204.7 ly
Discovered1999Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.50
Where it sits among all planets (percentile)
88%
85%
90%
18%
19%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 177830 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 177830 c | 110.90 | 7.87 | 47.7 | 539 | 2010 |
| HD 177830 b | 410.10 | 13.50 | 537.1 | 400 | 1999 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 177830 | K0 | 4,901 | 3.26 | 1.70 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.