HD 222155 b
A confirmed exoplanet orbiting HD 222155.
Compared with Earth
- Mass
- About 674 times Earth's mass.
- Year
- A year here lasts about 11 Earth years.
Planet
- Radius
- Unknown
- Mass
- 673.8 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 3,999 days
- Average distance from its star
- 5.14 AU
Star
- Host star
- HD 222155
- Spectral class
- G — sun-like
- Surface temperature
- 5,701 K
- Radius
- 1.85 × Sun
- Mass
- 1.21 × Sun
- Age
- Unknown
System
- Distance from Earth
- 165.1 light-years (50.61 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2011
- Method
- Radial Velocity
- Facility
- Haute-Provence Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.