Finding Earth 2.0
HD 73583 · K4 V

HD 73583 c

Rank #203 of the ranked catalogue · Discovered by Transit in 2022

HZ 0%measured

0.123

Earth-2.0 index

0.516

Earth Similarity Index

0%

Habitable-zone probability

2.39 R⊕

Radius

Planet

Mass9.700 M⊕measured
Bulk density3.880 g/cm³
Orbital period18.8797 days
Semi-major axis0.12420 au
Eccentricity0.080
Incident flux10.200 S⊕
Equilibrium temperature454.3 K
Transit-time σ at 2030214.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation3.94 masReflected-light contrast 6.43e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 73583
Spectral typeK4 V
Effective temperature4511 K
Radius0.650 R☉
Mass0.730 M☉
Distance31.6 pc / 103.0 ly
DiscoveryTransit, 2022