Exoplanet CatalogExoplanet HD 219666 b
Radius4.90 R⊕Earth = 1
Mass17.6 M⊕Earth = 1
Orbital period6.03 d
Equilibrium temp.1,076 K≈ 803 °C
Distance307.1 ly
Discovered2018Transit
Size compared (radius, Earth = 1)
1.00
3.88
4.90
11.21
Where it sits among all planets (percentile)
64%
61%
35%
74%
24%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 219666 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 219666 b | 6.03 | 4.90 | 17.6 | 1,076 | 2018 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 219666 | G5 V | 5,540 | 1.06 | 1.02 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.