Finding Earth 2.0
HD 43197 · G8 V

HD 43197 b

Rank #1846 of the ranked catalogue · Discovered by Radial Velocity in 2010

HZ 100%M sin i

0.097

Earth-2.0 index

0.361

Earth Similarity Index

100%

Habitable-zone probability

14.20 R⊕

Radius

Planet

Mass175.759 M⊕M sin i
Bulk density0.337 g/cm³
Orbital period308.9207 days
Semi-major axis0.88200 au
Eccentricity0.742
Incident flux0.938 S⊕
Equilibrium temperature250.1 K
Maximum angular separation14.13 masReflected-light contrast 4.50e-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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 43197
Spectral typeG8 V
Effective temperature5508 K
Radius1.000 R☉
Mass0.960 M☉
Distance62.4 pc / 203.6 ly
DiscoveryRadial Velocity, 2010