HD 42012 b
A confirmed exoplanet orbiting HD 42012.
Compared with Earth
- Mass
- About 509 times Earth's mass.
- Year
- A year here lasts about 2.3 Earth years.
Planet
- Radius
- Unknown
- Mass
- 508.5 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 857.5 days
- Average distance from its star
- 1.67 AU
Star
- Host star
- HD 42012
- Spectral class
- G — sun-like
- Surface temperature
- 5,405 K
- Radius
- 0.82 × Sun
- Mass
- 0.83 × Sun
- Age
- 4.1 billion years
System
- Distance from Earth
- 120 light-years (36.8 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2017
- Method
- Radial Velocity
- Facility
- Haute-Provence Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.