About this system
The innermost, HD 20781 b, circles it in 5.31 days; the outermost, HD 20781 e, in 85.5 days.
Worlds of HD 20781
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| HD 20781 b | Earth-sized | 1.2 × Earth | 5.31 days | 1,006 K |
| HD 20781 c | Sub-Neptune | 2.2 × Earth | 13.9 days | 730 K |
| HD 20781 d | Sub-Neptune | 3.3 × Earth | 29.2 days | 570 K |
| HD 20781 e | Sub-Neptune | 3.8 × Earth | 85.5 days | 398 K |