Finding Earth 2.0
HD 30177 · G8 V

HD 30177 c

Rank #3105 of the ranked catalogue · Discovered by Radial Velocity in 2016

HZ 0%measured

0.087

Earth-2.0 index

0.201

Earth Similarity Index

0%

Habitable-zone probability

12.90 R⊕

Radius

Planet

Mass1484.259 M⊕measured
Bulk density3.800 g/cm³
Orbital period11320.0000 days
Semi-major axis9.90000 au
Eccentricity0.210
Incident flux0.012 S⊕
Equilibrium temperature84.8 K
Maximum angular separation178.10 masReflected-light contrast 2.95e-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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 30177
Spectral typeG8 V
Effective temperature5680 K
Radius1.019 R☉
Mass0.980 M☉
Distance55.6 pc / 181.3 ly
DiscoveryRadial Velocity, 2016