HD 188015 b
A confirmed exoplanet orbiting HD 188015.
Compared with Earth
- Mass
- About 477 times Earth's mass.
- Year
- A year here lasts about 1.3 Earth years.
Planet
- Radius
- Unknown
- Mass
- 476.7 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 461.2 days
- Average distance from its star
- 1.203 AU
Star
- Host star
- HD 188015
- Spectral class
- G — sun-like
- Surface temperature
- 5,746 K
- Radius
- Unknown
- Mass
- 1.09 × Sun
- Age
- Unknown
System
- Distance from Earth
- 165.3 light-years (50.67 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2004
- Method
- Radial Velocity
- Facility
- W. M. Keck Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.