HD 220197 b
A confirmed exoplanet orbiting HD 220197.
Compared with Earth
- Mass
- About 64 times Earth's mass.
- Year
- A year here lasts about 4.7 Earth years.
Planet
- Radius
- Unknown
- Mass
- 63.57 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 1,728 days
- Average distance from its star
- 2.729 AU
Star
- Host star
- HD 220197
- Spectral class
- G — sun-like
- Surface temperature
- 5,683 K
- Radius
- 0.98 × Sun
- Mass
- 0.91 × Sun
- Age
- 10.17 billion years
System
- Distance from Earth
- 210.1 light-years (64.41 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2018
- Method
- Radial Velocity
- Facility
- Roque de los Muchachos Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.