Finding Earth 2.0
Kepler-1521

Kepler-1521 b

Rank #675 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.111

Earth-2.0 index

0.562

Earth Similarity Index

0%

Habitable-zone probability

2.50 R⊕

Radius

Planet

Mass6.800 M⊕inferred
Bulk density2.390 g/cm³
Orbital period47.1484 days
Semi-major axis0.23476 au
Eccentricity0.000
Incident flux5.122 S⊕
Equilibrium temperature382.4 K
Transit-time σ at 203018.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.13 masReflected-light contrast 1.97e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources7 · 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-1521
Spectral typeK
Effective temperature5042 K
Radius0.760 R☉
Mass0.810 M☉
Distance207.0 pc / 675.1 ly
DiscoveryTransit, 2016