Finding Earth 2.0
HD 180053 · K0

HD 180053 b

Rank #3008 of the ranked catalogue · Discovered by Radial Velocity in 2018

HZ 0%M sin i

0.088

Earth-2.0 index

0.266

Earth Similarity Index

0%

Habitable-zone probability

13.30 R⊕

Radius

Planet

Mass697.319 M⊕M sin i
Bulk density1.630 g/cm³
Orbital period213.7200 days
Semi-major axis0.84300 au
Eccentricity0.081
Incident flux17.673 S⊕
Equilibrium temperature521.2 K
Maximum angular separation6.15 masReflected-light contrast 4.32e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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 180053
Spectral typeK0
Effective temperature5131 K
Radius4.060 R☉
Mass1.750 M☉
Distance137.0 pc / 447.0 ly
DiscoveryRadial Velocity, 2018