HD 13931 b
A confirmed exoplanet orbiting HD 13931.
Compared with Earth
- Mass
- About 699 times Earth's mass.
- Year
- A year here lasts about 12 Earth years.
Planet
- Radius
- Unknown
- Mass
- 699.2 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 4,218 days
- Average distance from its star
- 5.15 AU
Star
- Host star
- HD 13931
- Spectral class
- G — sun-like
- Surface temperature
- 5,867 K
- Radius
- 1.25 × Sun
- Mass
- 1.3 × Sun
- Age
- Unknown
System
- Distance from Earth
- 154.6 light-years (47.4 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2009
- Method
- Radial Velocity
- Facility
- W. M. Keck Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.