HD 20868 b
A confirmed exoplanet orbiting HD 20868.
Compared with Earth
- Mass
- About 397 times Earth's mass.
- Year
- A year here lasts about 1 Earth year.
Planet
- Radius
- Unknown
- Mass
- 397.3 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 380.9 days
- Average distance from its star
- 0.95 AU
Star
- Host star
- HD 20868
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,802 K
- Radius
- 0.76 × Sun
- Mass
- 0.39 × Sun
- Age
- Unknown
System
- Distance from Earth
- 155.6 light-years (47.72 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2008
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.