Finding Earth 2.0
HD 143361 · G6 V

HD 143361 b

Rank #672 of the ranked catalogue · Discovered by Radial Velocity in 2008

HZ 0%measured

0.111

Earth-2.0 index

0.387

Earth Similarity Index

0%

Habitable-zone probability

12.90 R⊕

Radius

Planet

Mass1382.554 M⊕measured
Bulk density3.540 g/cm³
Orbital period1039.1500 days
Semi-major axis1.98800 au
Eccentricity0.197
Incident flux0.205 S⊕
Equilibrium temperature171.0 K
Maximum angular separation29.02 masReflected-light contrast 7.31e-9 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 143361
Spectral typeG6 V
Effective temperature5507 K
Radius0.916 R☉
Mass0.968 M☉
Distance68.5 pc / 223.5 ly
DiscoveryRadial Velocity, 2008