HD 164604 b
A confirmed exoplanet orbiting HD 164604.
Compared with Earth
- Mass
- About 4,195 times Earth's mass.
- Year
- A year here lasts about 1.8 Earth years.
Planet
- Radius
- Unknown
- Mass
- 4,195 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 653.9 days
- Average distance from its star
- 1.362 AU
Star
- Host star
- HD 164604
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,663 K
- Radius
- 0.78 × Sun
- Mass
- 0.77 × Sun
- Age
- 1.6 billion years
System
- Distance from Earth
- 128.4 light-years (39.36 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2009
- Method
- Radial Velocity
- Facility
- Las Campanas Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.