Finding Earth 2.0
HAT-P-13 · G4

HAT-P-13 c

Rank #921 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 3%M sin i

0.107

Earth-2.0 index

0.415

Earth Similarity Index

3%

Habitable-zone probability

12.30 R⊕

Radius

Planet

Mass4538.421 M⊕M sin i
Bulk density13.400 g/cm³
Orbital period446.2700 days
Semi-major axis1.25800 au
Eccentricity0.662
Incident flux1.402 S⊕
Equilibrium temperature276.6 K
Maximum angular separation5.10 masReflected-light contrast 1.66e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources8 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage33%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
DiscoveryRadial Velocity, 2009