Finding Earth 2.0
gam Cep · K1 III-IV

gam Cep b

Rank #429 of the ranked catalogue · Discovered by Radial Velocity in 2003

HZ 0%measured

0.116

Earth-2.0 index

0.439

Earth Similarity Index

0%

Habitable-zone probability

12.70 R⊕

Radius

Planet

Mass2097.668 M⊕measured
Bulk density5.630 g/cm³
Orbital period913.0000 days
Semi-major axis2.13000 au
Eccentricity0.150
Incident flux2.608 S⊕
Equilibrium temperature323.0 K
Maximum angular separation151.04 masReflected-light contrast 6.17e-9 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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

Hostgam Cep
Spectral typeK1 III-IV
Effective temperature4775 K
Radius4.740 R☉
Mass1.270 M☉
Distance14.1 pc / 46.0 ly
DiscoveryRadial Velocity, 2003