HD 128356 b
A confirmed exoplanet orbiting HD 128356.
Compared with Earth
- Mass
- About 283 times Earth's mass.
- Year
- A year here lasts about 298 Earth days.
Planet
- Radius
- Unknown
- Mass
- 282.9 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 298.2 days
- Average distance from its star
- 0.87 AU
Star
- Host star
- HD 128356
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,875 K
- Radius
- 0.85 × Sun
- Mass
- 0.65 × Sun
- Age
- 10 billion years
System
- Distance from Earth
- 85.31 light-years (26.15 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2016
- Method
- Radial Velocity
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.