Finding Earth 2.0
HATS-8

HATS-8 b

Rank #5067 of the ranked catalogue · Discovered by Transit in 2015

HZ 0%measured

0.066

Earth-2.0 index

0.087

Earth Similarity Index

0%

Habitable-zone probability

9.79 R⊕

Radius

Planet

Mass43.861 M⊕measured
Bulk density0.259 g/cm³
Orbital period3.5839 days
Semi-major axis0.04667 au
Eccentricity0.376
Incident flux510.820 S⊕
Equilibrium temperature1208.5 K
Transit-time σ at 203023.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.06 masReflected-light contrast 7.63e-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

HostHATS-8
Spectral typeG
Effective temperature5679 K
Radius1.086 R☉
Mass1.056 M☉
Distance794.6 pc / 2591.8 ly
DiscoveryTransit, 2015