HD 81817 b
A confirmed exoplanet orbiting HD 81817.
Compared with Earth
- Mass
- About 7,669 times Earth's mass.
- Year
- A year here lasts about 2.8 Earth years.
Planet
- Radius
- Unknown
- Mass
- 7,669 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 1,021 days
- Average distance from its star
- 3.233 AU
Star
- Host star
- HD 81817
- Spectral class
- Unknown
- Surface temperature
- Unknown
- Radius
- Unknown
- Mass
- 4.3 × Sun
- Age
- Unknown
System
- Distance from Earth
- 877.8 light-years (269.1 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2020
- Method
- Radial Velocity
- Facility
- Bohyunsan Optical Astronomical Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.