Exoplanet CatalogThe 55 Cnc B planetary system
Distance (light-years)40.7
Spectral typeM4.5 V
Temperature (K)3,286
Mass (Sun = 1)0.26
| Planet | Method | Year | Orbital period (days) | Radius (Earth = 1) | Mass (Earth = 1) | Equilibrium temperature (K) |
|---|---|---|---|---|---|---|
| 55 Cnc B b | Radial Velocity | 2025 | 6.80 | 1.69 | 3.5 | 395 |
| 55 Cnc B c | Radial Velocity | 2025 | 33.75 | 2.16 | 5.3 | 230 |
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) |
|---|---|---|---|
| M4.5 V | 3,286 | 0.27 | 0.26 |
About this page
55 Cnc B is about 40.7 light-years from the Sun and has 2 confirmed planet(s).