PLANETARY SYSTEM
HR 8799
4 confirmed planets in our catalogue, 134.5 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 |
|---|---|---|---|---|
| HR 8799 e ↗HR 8799 | Gas giant | 134.5 ly | 20,815.6 days | 2010Imaging |
| HR 8799 d ↗HR 8799 | Gas giant | 134.5 ly | 37,000 days | 2008Imaging |
| HR 8799 c ↗HR 8799 | Gas giant | 134.5 ly | 69,000 days | 2008Imaging |
| HR 8799 b ↗HR 8799 | Gas giant | 134.5 ly | 170,000 days | 2008Imaging |