Finding Earth 2.0
Kepler-1821

Kepler-1821 b

Rank #2593 of the ranked catalogue · Discovered by Transit in 2021

HZ 0%inferred

0.091

Earth-2.0 index

0.344

Earth Similarity Index

0%

Habitable-zone probability

2.59 R⊕

Radius

Planet

Mass7.240 M⊕inferred
Bulk density2.280 g/cm³
Orbital period16.4581 days
Semi-major axis0.12440 au
Eccentricity0.000
Incident flux40.610 S⊕
Equilibrium temperature641.7 K
Maximum angular separation0.16 masReflected-light contrast 7.54e-8 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-1821
Spectral typeG
Effective temperature5475 K
Radius0.884 R☉
Mass0.946 M☉
Distance799.7 pc / 2608.3 ly
DiscoveryTransit, 2021