Finding Earth 2.0
HD 56957

HD 56957 b

Rank #1660 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%measured

0.099

Earth-2.0 index

0.302

Earth Similarity Index

0%

Habitable-zone probability

12.80 R⊕

Radius

Planet

Mass1880.909 M⊕measured
Bulk density4.930 g/cm³
Orbital period5859.0899 days
Semi-major axis6.42600 au
Eccentricity0.273
Incident flux0.075 S⊕
Equilibrium temperature133.0 K
Maximum angular separation104.50 masReflected-light contrast 6.89e-10 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 56957
Spectral typeG
Effective temperature5743 K
Radius1.778 R☉
Mass1.030 M☉
Distance61.5 pc / 200.6 ly
DiscoveryRadial Velocity, 2022