HD 145457 b
A confirmed exoplanet orbiting HD 145457.
Compared with Earth
- Mass
- About 888 times Earth's mass.
- Year
- A year here lasts about 176 Earth days.
Planet
- Radius
- Unknown
- Mass
- 888 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 176.1 days
- Average distance from its star
- 0.762 AU
Star
- Host star
- HD 145457
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,757 K
- Radius
- 9.9 × Sun
- Mass
- 1.9 × Sun
- Age
- Unknown
System
- Distance from Earth
- 441.3 light-years (135.3 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2010
- Method
- Radial Velocity
- Facility
- Subaru Telescope
Data from the NASA Exoplanet Archive, synced October 14, 2026.