HD 4308 b
A confirmed exoplanet orbiting HD 4308.
Compared with Earth
- Mass
- About 16 times Earth's mass.
- Year
- A year here lasts about 16 Earth days.
Planet
- Radius
- Unknown
- Mass
- 15.89 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 15.56 days
- Average distance from its star
- 0.12 AU
Star
- Host star
- HD 4308
- Spectral class
- G — sun-like
- Surface temperature
- 5,686 K
- Radius
- 1.02 × Sun
- Mass
- 0.93 × Sun
- Age
- Unknown
System
- Distance from Earth
- 71.81 light-years (22.02 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2005
- Method
- Radial Velocity
- Facility
- La Silla Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.