Finding Earth 2.0
Kepler-37

Kepler-37 d

Rank #766 of the ranked catalogue · Discovered by Transit in 2013

HZ 0%upper limit

0.109

Earth-2.0 index

0.458

Earth Similarity Index

0%

Habitable-zone probability

2.03 R⊕

Radius

Planet

Mass2.000 M⊕upper limit
Bulk density1.300 g/cm³
Orbital period39.7923 days
Semi-major axis0.21090 au
Eccentricity0.100
Incident flux10.390 S⊕
Equilibrium temperature456.4 K
Transit-time σ at 20301.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation3.30 masReflected-light contrast 1.61e-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-37
Spectral typeG
Effective temperature5357 K
Radius0.789 R☉
Mass0.790 M☉
Distance63.9 pc / 208.5 ly
DiscoveryTransit, 2013