Finding Earth 2.0
HD 103720 · K3 V

HD 103720 b

Rank #4961 of the ranked catalogue · Discovered by Radial Velocity in 2014

HZ 0%M sin i

0.068

Earth-2.0 index

0.123

Earth Similarity Index

0%

Habitable-zone probability

14.10 R⊕

Radius

Planet

Mass197.046 M⊕M sin i
Bulk density0.386 g/cm³
Orbital period4.5557 days
Semi-major axis0.04980 au
Eccentricity0.086
Incident flux140.348 S⊕
Equilibrium temperature874.9 K
Maximum angular separation1.09 masReflected-light contrast 1.39e-5 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 103720
Spectral typeK3 V
Effective temperature5017 K
Radius0.730 R☉
Mass0.794 M☉
Distance45.5 pc / 148.5 ly
DiscoveryRadial Velocity, 2014