HD 178911 B b
A confirmed exoplanet orbiting HD 178911 B.
Compared with Earth
- Mass
- About 2,552 times Earth's mass.
- Year
- A year here lasts about 71 Earth days.
Planet
- Radius
- Unknown
- Mass
- 2,552 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 71.48 days
- Average distance from its star
- 0.34 AU
Star
- Host star
- HD 178911 B
- Spectral class
- G — sun-like
- Surface temperature
- 5,588 K
- Radius
- 1.08 × Sun
- Mass
- 1.24 × Sun
- Age
- Unknown
System
- Distance from Earth
- 133.6 light-years (40.97 parsecs)
- Stars in system
- 3
- Known planets
- 1
Discovery
- Year
- 2001
- Method
- Radial Velocity
- Facility
- W. M. Keck Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.