Finding Earth 2.0
HD 220842 · F8

HD 220842 b

Rank #1393 of the ranked catalogue · Discovered by Radial Velocity in 2016

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

Mass1010.699 M⊕M sin i
Bulk density2.470 g/cm³
Orbital period218.4700 days
Semi-major axis0.74000 au
Eccentricity0.404
Incident flux4.155 S⊕
Equilibrium temperature362.9 K
Maximum angular separation11.45 masReflected-light contrast 5.44e-8 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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 220842
Spectral typeF8
Effective temperature5960 K
Radius1.417 R☉
Mass1.130 M☉
Distance64.7 pc / 210.9 ly
DiscoveryRadial Velocity, 2016