HD 39855 b
A confirmed exoplanet orbiting HD 39855.
Compared with Earth
- Mass
- About 8.5 times Earth's mass.
- Year
- A year here lasts about 3.2 Earth days.
Planet
- Radius
- Unknown
- Mass
- 8.5 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 3.25 days
- Average distance from its star
- 0.041 AU
Star
- Host star
- HD 39855
- Spectral class
- G — sun-like
- Surface temperature
- 5,576 K
- Radius
- Unknown
- Mass
- 0.87 × Sun
- Age
- Unknown
System
- Distance from Earth
- 75.86 light-years (23.26 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2019
- Method
- Radial Velocity
- Facility
- Las Campanas Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.