About this system
The innermost, 55 Cnc e, circles it in 17.7 hours; the outermost, 55 Cnc d, in 13.1 years. One of them lies in the habitable zone: 55 Cnc f.
Worlds of 55 Cnc
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| 55 Cnc e | Super-Earth | 1.9 × Earth | 17.7 hours | 1,958 K |
| 55 Cnc b | Gas giant | 1.2 × Jupiter | 14.7 days | 700 K |
| 55 Cnc c | Neptune-like | 0.76 × Jupiter | 44.4 days | 499 K |
| 55 Cnc f | Neptune-like | 0.68 × Jupiter | 261 days | 277 K |
| 55 Cnc d | Gas giant | 1.2 × Jupiter | 13.1 years | 105 K |