Exoplanet HD 217786 b
Radius12.30 R⊕Earth = 1
Mass4,402.6 M⊕Earth = 1
Orbital period1,301.36 d
Equilibrium temp.207 K≈ -66 °C
Distance181.0 ly
Discovered2011Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.30
Where it sits among all planets (percentile)
77%
98%
95%
6%
17%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 217786 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 217786 c | 2.52 | 2.61 | 7.3 | 1,663 | 2022 |
| HD 217786 b | 1,301.36 | 12.30 | 4,402.6 | 207 | 2011 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 217786 | F8 V | 5,966 | 1.27 | 1.14 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.