HD 212301 b

A confirmed exoplanet orbiting HD 212301.

Compared with Earth

Mass
About 162 times Earth's mass.
Year
A year here lasts about 2.2 Earth days.

Planet

Radius
Unknown
Mass
162.1 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
2.246 days
Average distance from its star
0.03 AU

Star

Host star
HD 212301
Spectral class
F — yellow-white
Surface temperature
6,239 K
Radius
1.16 × Sun
Mass
1.55 × Sun
Age
Unknown

System

Distance from Earth
176.9 light-years (54.23 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
2005
Method
Radial Velocity
Facility
La Silla Observatory

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