HD 206610 b

A confirmed exoplanet orbiting HD 206610.

Compared with Earth

Mass
About 647 times Earth's mass.
Year
A year here lasts about 1.8 Earth years.

Planet

Radius
Unknown
Mass
647.1 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
673.2 days
Average distance from its star
1.74 AU

Star

Host star
HD 206610
Spectral class
K — orange dwarf
Surface temperature
4,842 K
Radius
6.12 × Sun
Mass
1.55 × Sun
Age
Unknown

System

Distance from Earth
480.1 light-years (147.2 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2009
Method
Radial Velocity
Facility
W. M. Keck Observatory

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