Finding Earth 2.0
HD 219415 · K0 III

HD 219415 b

Rank #2300 of the ranked catalogue · Discovered by Radial Velocity in 2012

HZ 100%M sin i

0.093

Earth-2.0 index

0.351

Earth Similarity Index

100%

Habitable-zone probability

13.80 R⊕

Radius

Planet

Mass317.830 M⊕M sin i
Bulk density0.665 g/cm³
Orbital period2093.3000 days
Semi-major axis3.20000 au
Eccentricity0.400
Incident flux0.407 S⊕
Equilibrium temperature203.0 K
Maximum angular separation19.37 masReflected-light contrast 3.23e-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 219415
Spectral typeK0 III
Effective temperature4820 K
Radius2.900 R☉
Mass1.000 M☉
Distance165.2 pc / 538.8 ly
DiscoveryRadial Velocity, 2012