HD 155358 c

A confirmed exoplanet orbiting HD 155358.

Compared with Earth

Mass
About 261 times Earth's mass.
Year
A year here lasts about 1.1 Earth years.

Planet

Radius
Unknown
Mass
261 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
391.9 days
Average distance from its star
1.02 AU

Star

Host star
HD 155358
Spectral class
G — sun-like
Surface temperature
5,900 K
Radius
Unknown
Mass
0.92 × Sun
Age
10.7 billion years

System

Distance from Earth
142.3 light-years (43.62 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2007
Method
Radial Velocity
Facility
McDonald Observatory

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