Finding Earth 2.0
HD 23472 · K4 V

HD 23472 e

Rank #550 of the ranked catalogue · Discovered by Transit in 2022

HZ 0%measured

0.113

Earth-2.0 index

0.401

Earth Similarity Index

0%

Habitable-zone probability

0.82 R⊕

Radius

Planet

Mass0.720 M⊕measured
Bulk density7.500 g/cm³
Orbital period7.9075 days
Semi-major axis0.06800 au
Eccentricity0.070
Incident flux46.700 S⊕
Equilibrium temperature664.5 K
Transit-time σ at 203083.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.74 masReflected-light contrast 2.51e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · 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 23472
Spectral typeK4 V
Effective temperature4684 K
Radius0.710 R☉
Mass0.670 M☉
Distance39.0 pc / 127.3 ly
DiscoveryTransit, 2022