Finding Earth 2.0
HAT-P-59

HAT-P-59 b

Rank #4558 of the ranked catalogue · Discovered by Transit in 2021

HZ 0%measured

0.074

Earth-2.0 index

0.113

Earth Similarity Index

0%

Habitable-zone probability

12.59 R⊕

Radius

Planet

Mass489.456 M⊕measured
Bulk density1.347 g/cm³
Orbital period4.1420 days
Semi-major axis0.05064 au
Eccentricity0.030
Incident flux441.400 S⊕
Equilibrium temperature1165.1 K
Transit-time σ at 20301.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.19 masReflected-light contrast 1.07e-5 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

HostHAT-P-59
Spectral typeG
Effective temperature5678 K
Radius1.104 R☉
Mass1.008 M☉
Distance265.5 pc / 865.8 ly
DiscoveryTransit, 2021