HD 205739 b
A confirmed exoplanet orbiting HD 205739.
Compared with Earth
- Mass
- About 435 times Earth's mass.
- Year
- A year here lasts about 280 Earth days.
Planet
- Radius
- Unknown
- Mass
- 435.4 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 279.8 days
- Average distance from its star
- 0.896 AU
Star
- Host star
- HD 205739
- Spectral class
- F — yellow-white
- Surface temperature
- 6,176 K
- Radius
- 1.33 × Sun
- Mass
- 1.22 × Sun
- Age
- 2.84 billion years
System
- Distance from Earth
- 301.7 light-years (92.51 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2008
- Method
- Radial Velocity
- Facility
- Las Campanas Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.