About this system
The innermost, HD 128311 b, circles it in 453 days; the outermost, HD 128311 c, in 2.52 years.
Worlds of HD 128311
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| HD 128311 b | Gas giant | 1.2 × Jupiter | 453 days | 200 K |
| HD 128311 c | Gas giant | 1.2 × Jupiter | 2.52 years | 158 K |