Finding Earth 2.0
HD 108874 · G5

HD 108874 b

Rank #758 of the ranked catalogue · Discovered by Radial Velocity in 2002

HZ 99%M sin i

0.110

Earth-2.0 index

0.436

Earth Similarity Index

99%

Habitable-zone probability

13.60 R⊕

Radius

Planet

Mass451.319 M⊕M sin i
Bulk density0.986 g/cm³
Orbital period394.4812 days
Semi-major axis1.04000 au
Eccentricity0.130
Incident flux0.923 S⊕
Equilibrium temperature249.2 K
Maximum angular separation17.47 masReflected-light contrast 2.97e-8 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 108874
Spectral typeG5
Effective temperature5600 K
Radius1.050 R☉
Mass1.100 M☉
Distance59.5 pc / 194.1 ly
DiscoveryRadial Velocity, 2002