Finding Earth 2.0
HD 8574 · F8

HD 8574 b

Rank #1365 of the ranked catalogue · Discovered by Radial Velocity in 2002

HZ 0%M sin i

0.102

Earth-2.0 index

0.360

Earth Similarity Index

0%

Habitable-zone probability

13.40 R⊕

Radius

Planet

Mass645.195 M⊕M sin i
Bulk density1.470 g/cm³
Orbital period227.0000 days
Semi-major axis0.76000 au
Eccentricity0.300
Incident flux4.120 S⊕
Equilibrium temperature362.1 K
Maximum angular separation16.95 masReflected-light contrast 5.40e-8 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 8574
Spectral typeF8
Effective temperature6064 K
Radius1.380 R☉
Mass1.340 M☉
Distance44.8 pc / 146.2 ly
DiscoveryRadial Velocity, 2002