Exoplanet HD 221585 b
Radius13.50 R⊕Earth = 1
Mass511.7 M⊕Earth = 1
Orbital period1,173.00 d
Equilibrium temp.243 K≈ -30 °C
Distance182.2 ly
Discovered2016Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
13.50
Where it sits among all planets (percentile)
88%
84%
94%
8%
17%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 221585 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 221585 b | 1,173.00 | 13.50 | 511.7 | 243 | 2016 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 221585 | G8 IV | 5,620 | 1.85 | 1.19 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.