About this system
The innermost, HR 8799 e, circles it in 57 years; the outermost, HR 8799 b, in 465 years.
Worlds of HR 8799
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| HR 8799 e | Gas giant | 1.2 × Jupiter | 57 years | 1,150 K |
| HR 8799 d | Gas giant | 1.2 × Jupiter | 101 years | 1,300 K |
| HR 8799 c | Gas giant | 1.2 × Jupiter | 189 years | 1,200 K |
| HR 8799 b | Gas giant | 1.2 × Jupiter | 465 years | 1,200 K |