Finding Earth 2.0
HAT-P-11 · K4

HAT-P-11 b

Rank #2184 of the ranked catalogue · Discovered by Transit in 2010

HZ 0%measured

0.094

Earth-2.0 index

0.231

Earth Similarity Index

0%

Habitable-zone probability

4.36 R⊕

Radius

Planet

Mass25.000 M⊕measured
Bulk density1.172 g/cm³
Orbital period4.8880 days
Semi-major axis0.05258 au
Eccentricity0.251
Incident flux100.770 S⊕
Equilibrium temperature805.4 K
Transit-time σ at 2030222.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.39 masReflected-light contrast 1.19e-6 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHAT-P-11
Spectral typeK4
Effective temperature4653 K
Radius0.683 R☉
Mass0.811 M☉
Distance37.8 pc / 123.2 ly
DiscoveryTransit, 2010