Finding Earth 2.0
HD 117618 · G2 V

HD 117618 b

Rank #3908 of the ranked catalogue · Discovered by Radial Velocity in 2004

HZ 0%M sin i

0.080

Earth-2.0 index

0.191

Earth Similarity Index

0%

Habitable-zone probability

8.59 R⊕

Radius

Planet

Mass55.302 M⊕M sin i
Bulk density0.479 g/cm³
Orbital period25.8000 days
Semi-major axis0.18000 au
Eccentricity0.150
Incident flux50.407 S⊕
Equilibrium temperature677.3 K
Maximum angular separation4.76 masReflected-light contrast 3.95e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · 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 117618
Spectral typeG2 V
Effective temperature5990 K
Radius1.200 R☉
Mass1.077 M☉
Distance37.8 pc / 123.2 ly
DiscoveryRadial Velocity, 2004