Exoplanet CatalogExoplanet HD 180617 b
Radius3.53 R⊕Earth = 1
Mass12.2 M⊕Earth = 1
Orbital period105.91 d
Equilibrium temp.202 K≈ -71 °C
Distance19.3 ly
Discovered2018Radial Velocity
Size compared (radius, Earth = 1)
1.00
3.53
3.88
11.21
Where it sits among all planets (percentile)
58%
56%
84%
6%
1%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 180617 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 180617 b | 105.91 | 3.53 | 12.2 | 202 | 2018 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 180617 | M2.5 V | 3,534 | 0.48 | 0.48 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.