Finding Earth 2.0
HAT-P-68 · K

HAT-P-68 b

Rank #4217 of the ranked catalogue · Discovered by Transit in 2020

HZ 0%measured

0.077

Earth-2.0 index

0.133

Earth Similarity Index

0%

Habitable-zone probability

12.02 R⊕

Radius

Planet

Mass230.109 M⊕measured
Bulk density0.727 g/cm³
Orbital period2.2984 days
Semi-major axis0.02996 au
Eccentricity0.041
Incident flux184.800 S⊕
Equilibrium temperature937.2 K
Transit-time σ at 20301.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.15 masReflected-light contrast 2.79e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostHAT-P-68
Spectral typeK
Effective temperature4508 K
Radius0.670 R☉
Mass0.678 M☉
Distance202.2 pc / 659.3 ly
DiscoveryTransit, 2020