HD 218566 b

A confirmed exoplanet orbiting HD 218566.

Compared with Earth

Mass
About 64 times Earth's mass.
Year
A year here lasts about 226 Earth days.

Planet

Radius
Unknown
Mass
63.57 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
225.7 days
Average distance from its star
0.69 AU

Star

Host star
HD 218566
Spectral class
K — orange dwarf
Surface temperature
4,730 K
Radius
0.85 × Sun
Mass
0.76 × Sun
Age
Unknown

System

Distance from Earth
94.02 light-years (28.83 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2010
Method
Radial Velocity
Facility
W. M. Keck Observatory

Data from the NASA Exoplanet Archive, synced October 14, 2026.