Finding Earth 2.0
HD 194490

HD 194490 b

Rank #3767 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%measured

0.082

Earth-2.0 index

0.174

Earth Similarity Index

0%

Habitable-zone probability

12.40 R⊕

Radius

Planet

Mass3561.903 M⊕measured
Bulk density10.300 g/cm³
Orbital period13092.1835 days
Semi-major axis11.11600 au
Eccentricity0.251
Incident flux0.011 S⊕
Equilibrium temperature83.1 K
Maximum angular separation138.54 masReflected-light contrast 2.16e-10 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 194490
Spectral typeG
Effective temperature5861 K
Radius1.149 R☉
Mass1.060 M☉
Distance80.2 pc / 261.7 ly
DiscoveryRadial Velocity, 2022