HD 129445 b
A confirmed exoplanet orbiting HD 129445.
Compared with Earth
- Mass
- About 509 times Earth's mass.
- Year
- A year here lasts about 5 Earth years.
Planet
- Radius
- Unknown
- Mass
- 508.5 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 1,840 days
- Average distance from its star
- 2.9 AU
Star
- Host star
- HD 129445
- Spectral class
- Unknown
- Surface temperature
- Unknown
- Radius
- Unknown
- Mass
- 0.99 × Sun
- Age
- Unknown
System
- Distance from Earth
- 220 light-years (67.44 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2009
- Method
- Radial Velocity
- Facility
- Las Campanas Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.