Finding Earth 2.0
HD 64121 · G8/K0 III

HD 64121 b

Rank #2011 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%M sin i

0.096

Earth-2.0 index

0.328

Earth Similarity Index

0%

Habitable-zone probability

13.20 R⊕

Radius

Planet

Mass813.641 M⊕M sin i
Bulk density1.940 g/cm³
Orbital period623.0000 days
Semi-major axis1.51000 au
Eccentricity0.110
Incident flux7.763 S⊕
Equilibrium temperature424.3 K
Maximum angular separation11.62 masReflected-light contrast 1.33e-8 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 64121
Spectral typeG8/K0 III
Effective temperature5078 K
Radius5.440 R☉
Mass1.640 M☉
Distance130.0 pc / 423.9 ly
DiscoveryRadial Velocity, 2022