About this system
The innermost, HD 40307 b, circles it in 4.31 days; the outermost, HD 40307 g, in 198 days. One of them lies in the habitable zone: HD 40307 g.
Worlds of HD 40307
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| HD 40307 b | Gas giant | 1.2 × Jupiter | 4.31 days | 910 K |
| HD 40307 c | Gas giant | 1.1 × Jupiter | 9.62 days | 696 K |
| HD 40307 d | Gas giant | 1.1 × Jupiter | 20.4 days | 541 K |
| HD 40307 f | Sub-Neptune | 2.1 × Earth | 51.8 days | 398 K |
| HD 40307 g | Sub-Neptune | 2.6 × Earth | 198 days | 255 K |