Finding Earth 2.0
HD 103197 · K1 V(P)

HD 103197 b

Rank #1671 of the ranked catalogue · Discovered by Radial Velocity in 2011

HZ 0%M sin i

0.099

Earth-2.0 index

0.359

Earth Similarity Index

0%

Habitable-zone probability

5.83 R⊕

Radius

Planet

Mass28.605 M⊕M sin i
Bulk density0.793 g/cm³
Orbital period47.8400 days
Semi-major axis0.25000 au
Eccentricity0.000
Incident flux7.520 S⊕
Equilibrium temperature420.9 K
Maximum angular separation4.38 masReflected-light contrast 9.44e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 103197
Spectral typeK1 V(P)
Effective temperature5250 K
Radius0.880 R☉
Mass0.800 M☉
Distance57.1 pc / 186.4 ly
DiscoveryRadial Velocity, 2011