Finding Earth 2.0
HAT-P-13 · G4

HAT-P-13 b

Rank #5427 of the ranked catalogue · Discovered by Transit in 2009

HZ 0%measured

0.058

Earth-2.0 index

0.060

Earth Similarity Index

0%

Habitable-zone probability

14.26 R⊕

Radius

Planet

Mass270.462 M⊕measured
Bulk density0.341 g/cm³
Orbital period2.9162 days
Semi-major axis0.04383 au
Eccentricity0.013
Incident flux1978.524 S⊕
Equilibrium temperature1695.3 K
Transit-time σ at 203057.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.18 masReflected-light contrast 1.84e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources9 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage42%0% median composite-to-default difference over shared parameters.

Host star & system

HostHAT-P-13
Spectral typeG4
Effective temperature5653 K
Radius1.756 R☉
Mass1.320 M☉
Distance246.8 pc / 805.0 ly
DiscoveryTransit, 2009