Planetary system
HD 128311 system
Exoplanets
System overview
The HD 128311 system has 2 known planets in this catalogue, orbiting the star HD 128311, discovered between 2002 and 2005.
Host star
Planets
| Planet | Class | Radius (R⊕) | Period (d) | Distance (ly) |
|---|---|---|---|---|
| HD 128311 bRadial Velocity · 2002 | Gas giant | 13.5 | 453 | 53 |
| HD 128311 cRadial Velocity · 2005 | Gas giant | 13 | 922 | 53 |