55 Cnc · G8 V
55 Cnc d
Rank #2574 of the ranked catalogue · Discovered by Radial Velocity in 2002
HZ 0%measured
0.091
Earth-2.0 index
0.223
Earth Similarity Index
0%
Habitable-zone probability
13.00 R⊕
Radius
Planet
Mass1232.493 M⊕measured
Bulk density3.080 g/cm³
Orbital period4799.0000 days
Semi-major axis5.60000 au
Eccentricity0.091
Incident flux0.020 S⊕
Equilibrium temperature95.9 K
Maximum angular separation444.96 masReflected-light contrast 9.35e-10 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
Host55 Cnc
Spectral typeG8 V
Effective temperature5198 K
Radius0.980 R☉
Mass1.015 M☉
Distance12.6 pc / 41.0 ly
DiscoveryRadial Velocity, 2002