Finding Earth 2.0
HD 181342 · K0 III

HD 181342 b

Rank #1564 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 0%M sin i

0.100

Earth-2.0 index

0.348

Earth Similarity Index

0%

Habitable-zone probability

13.20 R⊕

Radius

Planet

Mass807.288 M⊕M sin i
Bulk density1.930 g/cm³
Orbital period564.1000 days
Semi-major axis1.59200 au
Eccentricity0.022
Incident flux5.836 S⊕
Equilibrium temperature395.1 K
Maximum angular separation13.22 masReflected-light contrast 1.19e-8 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 181342
Spectral typeK0 III
Effective temperature4945 K
Radius4.710 R☉
Mass1.690 M☉
Distance120.4 pc / 392.7 ly
DiscoveryRadial Velocity, 2009