Finding Earth 2.0
HD 63433 · G5 V

HD 63433 c

Rank #635 of the ranked catalogue · Discovered by Transit in 2020

HZ 0%measured

0.111

Earth-2.0 index

0.377

Earth Similarity Index

0%

Habitable-zone probability

2.69 R⊕

Radius

Planet

Mass15.539 M⊕measured
Bulk density4.630 g/cm³
Orbital period20.5438 days
Semi-major axis0.14600 au
Eccentricity0.210
Incident flux35.358 S⊕
Equilibrium temperature619.9 K
Transit-time σ at 20306.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation6.52 masReflected-light contrast 5.90e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 63433
Spectral typeG5 V
Effective temperature5553 K
Radius0.934 R☉
Mass0.956 M☉
Distance22.4 pc / 73.1 ly
DiscoveryTransit, 2020