Finding Earth 2.0
HD 102117 · G6 V

HD 102117 b

Rank #4021 of the ranked catalogue · Discovered by Radial Velocity in 2005

HZ 0%M sin i

0.079

Earth-2.0 index

0.181

Earth Similarity Index

0%

Habitable-zone probability

8.47 R⊕

Radius

Planet

Mass54.031 M⊕M sin i
Bulk density0.489 g/cm³
Orbital period20.8133 days
Semi-major axis0.15000 au
Eccentricity0.120
Incident flux63.854 S⊕
Equilibrium temperature718.6 K
Maximum angular separation3.79 masReflected-light contrast 5.53e-7 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

HostHD 102117
Spectral typeG6 V
Effective temperature5655 K
Radius1.230 R☉
Mass1.060 M☉
Distance39.6 pc / 129.1 ly
DiscoveryRadial Velocity, 2005