Finding Earth 2.0
KMT-2021-BLG-0171L

KMT-2021-BLG-0171L b

Discovered by Microlensing in 2022

unknownmeasured

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

3.35 R⊕

Radius

Planet

Mass11.200 M⊕measured
Bulk density1.640 g/cm³
Orbital period— days
Semi-major axis3.50000 au
Eccentricity
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation0.76 masReflected-light contrast 1.59e-10 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage71%0% median composite-to-default difference over shared parameters.

Host star & system

HostKMT-2021-BLG-0171L
Spectral typeG
Effective temperature5200 K
Radius— R☉
Mass0.780 M☉
Distance4600.0 pc / 15003.2 ly
DiscoveryMicrolensing, 2022