Finding Earth 2.0
HD 4313 · G5

HD 4313 b

Rank #2394 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 0%M sin i

0.093

Earth-2.0 index

0.292

Earth Similarity Index

0%

Habitable-zone probability

13.40 R⊕

Radius

Planet

Mass612.458 M⊕M sin i
Bulk density1.400 g/cm³
Orbital period356.2100 days
Semi-major axis1.15700 au
Eccentricity0.147
Incident flux10.533 S⊕
Equilibrium temperature457.9 K
Maximum angular separation8.49 masReflected-light contrast 2.33e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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 4313
Spectral typeG5
Effective temperature4943 K
Radius5.140 R☉
Mass1.630 M☉
Distance136.3 pc / 444.6 ly
DiscoveryRadial Velocity, 2009