Exoplanet CatalogThe 55 Cnc planetary system
Distance (light-years)41.0
Spectral typeG8 V
Temperature (K)5,172
Mass (Sun = 1)0.90
| Planet | Method | Year | Orbital period (days) | Radius (Earth = 1) | Mass (Earth = 1) | Equilibrium temperature (K) |
|---|---|---|---|---|---|---|
| 55 Cnc e | Radial Velocity | 2004 | 0.74 | 1.88 | 8.0 | 1,958 |
| 55 Cnc b | Radial Velocity | 1996 | 14.65 | 13.90 | 264.0 | 700 |
| 55 Cnc c | Radial Velocity | 2004 | 44.39 | 8.51 | 54.5 | 499 |
| 55 Cnc f | Radial Velocity | 2007 | 260.58 | 7.59 | 44.8 | 277 |
| 55 Cnc d | Radial Velocity | 2002 | 4,799.00 | 13.00 | 1,232.5 | 105 |
Values are the archive’s composite parameters and may combine several publications; mass may be a minimum mass (M·sin i). “–” means no value in the archive.
The star
| Spectral type | Temperature (K) | Radius (Sun = 1) | Mass (Sun = 1) |
|---|---|---|---|
| G8 V | 5,172 | 0.94 | 0.90 |
About this page
55 Cnc is about 41.0 light-years from the Sun and has 5 confirmed planet(s).