PLANETARY SYSTEM
HD 20781
4 confirmed planets in our catalogue, 117.3 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 20781 b ↗HD 20781 | Rocky-size | 117.3 ly | 5.314 days | 2019Radial Velocity |
| HD 20781 c ↗HD 20781 | Neptune-like | 117.3 ly | 13.891 days | 2019Radial Velocity |
| HD 20781 d ↗HD 20781 | Neptune-like | 117.3 ly | 29.158 days | 2019Radial Velocity |
| HD 20781 e ↗HD 20781 | Neptune-like | 117.3 ly | 85.507 days | 2019Radial Velocity |
System discovery history
2019 · HD 20781 b · Radial Velocity
2019 · HD 20781 c · Radial Velocity
2019 · HD 20781 d · Radial Velocity
2019 · HD 20781 e · Radial Velocity