HD 222582 b

A confirmed exoplanet orbiting HD 222582.

Compared with Earth

Mass
About 2,660 times Earth's mass.
Year
A year here lasts about 1.6 Earth years.

Planet

Radius
Unknown
Mass
2,660 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
572.4 days
Average distance from its star
1.34 AU

Star

Host star
HD 222582
Spectral class
G — sun-like
Surface temperature
5,790 K
Radius
1.13 × Sun
Mass
1.12 × Sun
Age
Unknown

System

Distance from Earth
137.5 light-years (42.16 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
1999
Method
Radial Velocity
Facility
W. M. Keck Observatory

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