Finding Earth 2.0
HD 10442 · K0 IV

HD 10442 b

Rank #1141 of the ranked catalogue · Discovered by Radial Velocity in 2014

HZ 62%M sin i

0.104

Earth-2.0 index

0.401

Earth Similarity Index

62%

Habitable-zone probability

13.60 R⊕

Radius

Planet

Mass472.613 M⊕M sin i
Bulk density1.030 g/cm³
Orbital period1032.3000 days
Semi-major axis2.01000 au
Eccentricity0.132
Incident flux0.505 S⊕
Equilibrium temperature214.3 K
Maximum angular separation14.85 masReflected-light contrast 7.95e-9 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 10442
Spectral typeK0 IV
Effective temperature4912 K
Radius1.970 R☉
Mass1.010 M☉
Distance135.4 pc / 441.5 ly
DiscoveryRadial Velocity, 2014