Finding Earth 2.0
HD 9174 · G8 IV

HD 9174 b

Rank #1501 of the ranked catalogue · Discovered by Radial Velocity in 2016

HZ 100%M sin i

0.101

Earth-2.0 index

0.373

Earth Similarity Index

100%

Habitable-zone probability

13.70 R⊕

Radius

Planet

Mass352.791 M⊕M sin i
Bulk density0.754 g/cm³
Orbital period1179.0000 days
Semi-major axis2.20000 au
Eccentricity0.120
Incident flux0.498 S⊕
Equilibrium temperature213.5 K
Maximum angular separation27.00 masReflected-light contrast 6.73e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 9174
Spectral typeG8 IV
Effective temperature5577 K
Radius1.670 R☉
Mass1.030 M☉
Distance81.5 pc / 265.8 ly
DiscoveryRadial Velocity, 2016