Finding Earth 2.0
HD 135872

HD 135872 b

Rank #563 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 100%measured

0.113

Earth-2.0 index

0.471

Earth Similarity Index

100%

Habitable-zone probability

12.80 R⊕

Radius

Planet

Mass1744.560 M⊕measured
Bulk density4.570 g/cm³
Orbital period2422.3260 days
Semi-major axis4.17200 au
Eccentricity0.164
Incident flux0.497 S⊕
Equilibrium temperature213.4 K
Maximum angular separation50.62 masReflected-light contrast 1.63e-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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 135872
Spectral typeK
Effective temperature4992 K
Radius3.930 R☉
Mass1.646 M☉
Distance82.4 pc / 268.8 ly
DiscoveryRadial Velocity, 2022