Exoplanet CatalogExoplanet HD 217107 c
Radius12.90 R⊕Earth = 1
Mass1,388.9 M⊕Earth = 1
Orbital period5,138.70 d
Equilibrium temp.123 K≈ -150 °C
Distance65.4 ly
Discovered2005Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.88
11.21
12.90
Where it sits among all planets (percentile)
83%
92%
98%
3%
5%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 217107 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 217107 b | 7.13 | 13.60 | 459.6 | 1,106 | 1998 |
| HD 217107 c | 5,138.70 | 12.90 | 1,388.9 | 123 | 2005 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 217107 | G | 5,622 | 1.22 | 1.04 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.