Finding Earth 2.0
HD 168443 · G5

HD 168443 c

Rank #1116 of the ranked catalogue · Discovered by Radial Velocity in 2000

HZ 8%measured

0.105

Earth-2.0 index

0.329

Earth Similarity Index

8%

Habitable-zone probability

12.20 R⊕

Radius

Planet

Mass5500.338 M⊕measured
Bulk density16.600 g/cm³
Orbital period1753.1096 days
Semi-major axis2.84200 au
Eccentricity0.210
Incident flux0.299 S⊕
Equilibrium temperature187.9 K
Maximum angular separation71.72 masReflected-light contrast 3.20e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources7 · 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 168443
Spectral typeG5
Effective temperature5491 K
Radius1.712 R☉
Mass0.980 M☉
Distance39.6 pc / 129.2 ly
DiscoveryRadial Velocity, 2000