HD 80653 · G0 V
K2-312 c
Rank #744 of the ranked catalogue · Discovered by Radial Velocity in 2023
HZ 99%M sin i
0.110
Earth-2.0 index
0.464
Earth Similarity Index
99%
Habitable-zone probability
12.80 R⊕
Radius
Planet
Mass1681.312 M⊕M sin i
Bulk density4.410 g/cm³
Orbital period871.3200 days
Semi-major axis1.88200 au
Eccentricity0.844
Incident flux0.460 S⊕
Equilibrium temperature209.3 K
Maximum angular separation17.13 masReflected-light contrast 8.03e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage75%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 80653
Spectral typeG0 V
Effective temperature5959 K
Radius1.199 R☉
Mass1.150 M☉
Distance109.9 pc / 358.3 ly
DiscoveryRadial Velocity, 2023