Finding Earth 2.0
Kepler-1881

Kepler-1881 b

Rank #323 of the ranked catalogue · Discovered by Transit in 2021

HZ 1%inferred

0.119

Earth-2.0 index

0.667

Earth Similarity Index

1%

Habitable-zone probability

2.98 R⊕

Radius

Planet

Mass9.170 M⊕inferred
Bulk density1.900 g/cm³
Orbital period159.3940 days
Semi-major axis0.53325 au
Eccentricity0.000
Incident flux1.500 S⊕
Equilibrium temperature281.3 K
Maximum angular separation0.50 masReflected-light contrast 5.42e-9 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-1881
Spectral typeK
Effective temperature5135 K
Radius0.874 R☉
Mass0.812 M☉
Distance1057.2 pc / 3448.2 ly
DiscoveryTransit, 2021