HD 20781 b
A confirmed exoplanet orbiting HD 20781.
Compared with Earth
- Mass
- About 1.9 times Earth's mass.
- Year
- A year here lasts about 5.3 Earth days.
Planet
- Radius
- Unknown
- Mass
- 1.93 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 5.314 days
- Average distance from its star
- 0.0529 AU
Star
- Host star
- HD 20781
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,256 K
- Radius
- Unknown
- Mass
- 0.7 × Sun
- Age
- Unknown
System
- Distance from Earth
- 117.3 light-years (35.97 parsecs)
- Stars in system
- 2
- Known planets
- 5
Discovery
- Year
- 2019
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.