HD 33142 b
A confirmed exoplanet orbiting HD 33142.
Compared with Earth
- Mass
- About 400 times Earth's mass.
- Year
- A year here lasts about 330 Earth days.
Planet
- Radius
- Unknown
- Mass
- 400.5 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 330 days
- Average distance from its star
- 1.074 AU
Star
- Host star
- HD 33142
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,025 K
- Radius
- 4.17 × Sun
- Mass
- 1.52 × Sun
- Age
- 2.72 billion years
System
- Distance from Earth
- 395.9 light-years (121.4 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2011
- Method
- Radial Velocity
- Facility
- W. M. Keck Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.