Finding Earth 2.0
HD 18742 · G8/K0 IV

HD 18742 b

Rank #1343 of the ranked catalogue · Discovered by Radial Velocity in 2011

HZ 0%M sin i

0.102

Earth-2.0 index

0.385

Earth Similarity Index

0%

Habitable-zone probability

13.10 R⊕

Radius

Planet

Mass1080.622 M⊕M sin i
Bulk density2.640 g/cm³
Orbital period766.0000 days
Semi-major axis1.82000 au
Eccentricity0.040
Incident flux4.196 S⊕
Equilibrium temperature363.8 K
Maximum angular separation11.19 masReflected-light contrast 8.99e-9 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 18742
Spectral typeG8/K0 IV
Effective temperature4940 K
Radius5.130 R☉
Mass1.360 M☉
Distance162.7 pc / 530.6 ly
DiscoveryRadial Velocity, 2011