· · · ·
Proper NameJanssen
DesignationsCopernicus e, Rho1 Cancri e, 55 Cancri e, HD 75732 e
Also sometimes specified as Rho1 Cancri A e, 55 Cancri A e, HD 75732 A e
ClassificationSuper Earth
Orbital Period17 hours, 41 minutes
Mean Distance from Copernicus2.3 million km
0.02 AU
Mass8.0 x Earth
Diameter1.8 x Earth
Temperaturec. 1.4 million K
Parent starCopernicus (Rho1 Cancri, 55 Cancri), yellow dwarf in Cancer
Other planets in this systemBrahe (Copernicus c), gas giant
Galileo (Copernicus b), gas giant
Harriot (Copernicus f), gas giant
Lipperhey (Copernicus d), gas giant

Imagery provided by Aladin sky atlas

Indexes

Related Entries