HD 156668 c
A confirmed exoplanet orbiting HD 156668.
Compared with Earth
- Mass
- About 31 times Earth's mass.
- Year
- A year here lasts about 2.2 Earth years.
Planet
- Radius
- Unknown
- Mass
- 31.5 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 811.3 days
- Average distance from its star
- 1.57 AU
Star
- Host star
- HD 156668
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,904 K
- Radius
- 0.7745 × Sun
- Mass
- 0.7852 × Sun
- Age
- Unknown
System
- Distance from Earth
- 79.36 light-years (24.33 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2021
- Method
- Radial Velocity
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.