HD 40956 b
A confirmed exoplanet orbiting HD 40956.
Compared with Earth
- Mass
- About 858 times Earth's mass.
- Year
- A year here lasts about 1.6 Earth years.
Planet
- Radius
- Unknown
- Mass
- 858.1 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 578.6 days
- Average distance from its star
- 1.4 AU
Star
- Host star
- HD 40956
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,869 K
- Radius
- 8.56 × Sun
- Mass
- 2 × Sun
- Age
- 1.35 billion years
System
- Distance from Earth
- 380.3 light-years (116.6 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2017
- Method
- Radial Velocity
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.