Finding Earth 2.0
Kepler-663

Kepler-663 b

Rank #3661 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.083

Earth-2.0 index

0.236

Earth Similarity Index

0%

Habitable-zone probability

2.60 R⊕

Radius

Planet

Mass7.270 M⊕inferred
Bulk density2.270 g/cm³
Orbital period4.9968 days
Semi-major axis0.05590 au
Eccentricity0.000
Incident flux167.979 S⊕
Equilibrium temperature915.1 K
Transit-time σ at 203031.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.05 masReflected-light contrast 3.76e-7 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-663
Spectral typeG
Effective temperature5264 K
Radius0.820 R☉
Mass0.860 M☉
Distance1063.1 pc / 3467.3 ly
DiscoveryTransit, 2016