Exoplanet CatalogExoplanet HD 9446 c
Radius13.40 R⊕Earth = 1
Mass578.4 M⊕Earth = 1
Orbital period192.90 d
Equilibrium temp.345 K≈ 72 °C
Distance164.2 ly
Discovered2009Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.40
Where it sits among all planets (percentile)
87%
85%
87%
13%
15%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 9446 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 9446 b | 30.05 | 14.00 | 222.5 | 643 | 2009 |
| HD 9446 c | 192.90 | 13.40 | 578.4 | 345 | 2009 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 9446 | G5 V | 5,793 | 1.00 | 1.00 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.