Finding Earth 2.0
HAT-P-17 · K

HAT-P-17 b

Rank #3892 of the ranked catalogue · Discovered by Transit in 2012

HZ 0%measured

0.081

Earth-2.0 index

0.150

Earth Similarity Index

0%

Habitable-zone probability

11.77 R⊕

Radius

Planet

Mass184.341 M⊕measured
Bulk density0.440 g/cm³
Orbital period10.3385 days
Semi-major axis0.08920 au
Eccentricity0.350
Incident flux110.512 S⊕
Equilibrium temperature824.2 K
Transit-time σ at 20307.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.97 masReflected-light contrast 3.02e-6 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHAT-P-17
Spectral typeK
Effective temperature5246 K
Radius0.870 R☉
Mass0.990 M☉
Distance92.4 pc / 301.3 ly
DiscoveryTransit, 2012