HD 9446 c

A confirmed exoplanet orbiting HD 9446.

Compared with Earth

Mass
About 578 times Earth's mass.
Year
A year here lasts about 193 Earth days.

Planet

Radius
Unknown
Mass
578.4 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
192.9 days
Average distance from its star
0.654 AU

Star

Host star
HD 9446
Spectral class
G — sun-like
Surface temperature
5,793 K
Radius
1 × Sun
Mass
1 × Sun
Age
Unknown

System

Distance from Earth
164.2 light-years (50.35 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2009
Method
Radial Velocity
Facility
Haute-Provence Observatory

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