Finding Earth 2.0
Kepler-20

Kepler-20 e

Rank #2327 of the ranked catalogue · Discovered by Transit in 2011

HZ 0%upper limit

0.093

Earth-2.0 index

0.293

Earth Similarity Index

0%

Habitable-zone probability

0.82 R⊕

Radius

Planet

Mass0.760 M⊕upper limit
Bulk density7.500 g/cm³
Orbital period6.0985 days
Semi-major axis0.06370 au
Eccentricity0.092
Incident flux169.800 S⊕
Equilibrium temperature917.6 K
Transit-time σ at 203017.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.23 masReflected-light contrast 2.88e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · 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

HostKepler-20
Spectral typeG
Effective temperature5495 K
Radius0.916 R☉
Mass0.929 M☉
Distance282.6 pc / 921.6 ly
DiscoveryTransit, 2011