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Proper Name	Janssen
Designations	Copernicus 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
Classification	Super Earth
Orbital Period	17 hours, 41 minutes
Mean Distance from Copernicus	2.3 million km 0.02 AU
Mass	8.0 x Earth
Diameter	1.8 x Earth
Temperature	c. 1.4 million K
Parent star	Copernicus (Rho¹ Cancri, 55 Cancri), yellow dwarf in Cancer
Other planets in this system	Brahe (Copernicus c), gas giant Galileo (Copernicus b), gas giant Harriot (Copernicus f), gas giant Lipperhey (Copernicus d), gas giant

08 52 35.810 +28 19 53.96

FoV: 29.95'

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