HD 161178 b
A confirmed exoplanet orbiting HD 161178.
Compared with Earth
- Mass
- About 181 times Earth's mass.
- Year
- A year here lasts about 279 Earth days.
Planet
- Radius
- Unknown
- Mass
- 181.2 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 279.3 days
- Average distance from its star
- 0.85 AU
Star
- Host star
- HD 161178
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,786 K
- Radius
- 10.95 × Sun
- Mass
- 1.06 × Sun
- Age
- Unknown
System
- Distance from Earth
- 349.6 light-years (107.2 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2021
- Method
- Radial Velocity
- Facility
- Okayama Astrophysical Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.