HD 155358 b
A confirmed exoplanet orbiting HD 155358.
Compared with Earth
- Mass
- About 315 times Earth's mass.
- Year
- A year here lasts about 194 Earth days.
Planet
- Radius
- Unknown
- Mass
- 314.7 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 194.3 days
- Average distance from its star
- 0.63 AU
Star
- Host star
- HD 155358
- Spectral class
- G — sun-like
- Surface temperature
- 5,905 K
- Radius
- 1.38 × Sun
- Mass
- 1.15 × Sun
- Age
- Unknown
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.