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AsteriaStar
Super-Earth · 55 Cnc

55 Cnc e

ExoplanetsDiscovered 2004

Scientific overview

55 Cnc e is a super-earth orbiting 55 Cnc, completing an orbit every 0.7365 days, about 41 light-years from Earth. It was discovered in 2004 using the radial velocity method.

Host star

Host star
Copernicus
Spectral type
G8 V
Temperature
5,172 K
Mass
0.905 M☉

Planetary system — 55 Cnc system

View the 55 Cnc system (5 known planets).

PlanetRadius (R⊕)Period (d)
55 Cnc eRadial Velocity · 20041.880.7365
55 Cnc bRadial Velocity · 199613.914.6516
55 Cnc cRadial Velocity · 20048.5144.3936
55 Cnc fRadial Velocity · 20077.59261
55 Cnc dRadial Velocity · 2002134799

Discovery and detection

Knowledge connections