HD 2039 b
A confirmed exoplanet orbiting HD 2039.
Compared with Earth
- Mass
- About 1,999 times Earth's mass.
- Year
- A year here lasts about 3.1 Earth years.
Planet
- Radius
- Unknown
- Mass
- 1,999 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 1,120 days
- Average distance from its star
- 2.2 AU
Star
- Host star
- HD 2039
- Spectral class
- G — sun-like
- Surface temperature
- 5,945 K
- Radius
- 1.19 × Sun
- Mass
- 1.23 × Sun
- Age
- Unknown
System
- Distance from Earth
- 279.5 light-years (85.69 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2002
- Method
- Radial Velocity
- Facility
- Anglo-Australian Telescope
Data from the NASA Exoplanet Archive, synced October 14, 2026.