PLANETARY SYSTEM
HD 128311
2 confirmed planets in our catalogue, 53.3 light-years from Earth.
Ordered by orbital period where known. Diagram is illustrative; distances and planet sizes are not to scale.
| World / host star | Type | Distance | Year length | Discovery |
|---|---|---|---|---|
| HD 128311 b ↗HD 128311 | Gas giant | 53.3 ly | 453.019 days | 2002Radial Velocity |
| HD 128311 c ↗HD 128311 | Gas giant | 53.3 ly | 921.538 days | 2005Radial Velocity |
System discovery history
2002 · HD 128311 b · Radial Velocity
2005 · HD 128311 c · Radial Velocity