HD 133131 A b
A confirmed exoplanet orbiting HD 133131 A.
Compared with Earth
- Mass
- About 451 times Earth's mass.
- Year
- A year here lasts about 1.8 Earth years.
Planet
- Radius
- Unknown
- Mass
- 451.3 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 649 days
- Average distance from its star
- 1.44 AU
Star
- Host star
- HD 133131 A
- Spectral class
- G — sun-like
- Surface temperature
- 5,799 K
- Radius
- Unknown
- Mass
- 0.95 × Sun
- Age
- 9.7 billion years
System
- Distance from Earth
- 167.9 light-years (51.47 parsecs)
- Stars in system
- 2
- Known planets
- 3
Discovery
- Year
- 2016
- Method
- Radial Velocity
- Facility
- Las Campanas Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.