HD 231701 b
A confirmed exoplanet orbiting HD 231701.
Compared with Earth
- Mass
- About 359 times Earth's mass.
- Year
- A year here lasts about 142 Earth days.
Planet
- Radius
- Unknown
- Mass
- 359.1 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 141.6 days
- Average distance from its star
- 0.567 AU
Star
- Host star
- HD 231701
- Spectral class
- F — yellow-white
- Surface temperature
- 6,101 K
- Radius
- 1.53 × Sun
- Mass
- 1.21 × Sun
- Age
- 3.43 billion years
System
- Distance from Earth
- 355.1 light-years (108.9 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2007
- Method
- Radial Velocity
- Facility
- W. M. Keck Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.