Finding Earth 2.0
HAT-P-38 · G5

HAT-P-38 b

Rank #4347 of the ranked catalogue · Discovered by Transit in 2012

HZ 0%measured

0.076

Earth-2.0 index

0.127

Earth Similarity Index

0%

Habitable-zone probability

9.25 R⊕

Radius

Planet

Mass84.857 M⊕measured
Bulk density0.590 g/cm³
Orbital period4.6404 days
Semi-major axis0.05230 au
Eccentricity0.067
Incident flux243.034 S⊕
Equilibrium temperature1003.6 K
Transit-time σ at 203065.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.20 masReflected-light contrast 5.43e-6 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 coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostHAT-P-38
Spectral typeG5
Effective temperature5330 K
Radius0.923 R☉
Mass0.886 M☉
Distance255.2 pc / 832.4 ly
DiscoveryTransit, 2012