Finding Earth 2.0
KMT-2021-BLG-1689L

KMT-2021-BLG-1689L b

Discovered by Microlensing in 2022

unknownmeasured

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

7.71 R⊕

Radius

Planet

Mass46.000 M⊕measured
Bulk density0.552 g/cm³
Orbital period— days
Semi-major axis2.50000 au
Eccentricity
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation0.35 masReflected-light contrast 1.65e-9 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-1689L
Spectral typeK
Effective temperature4570 K
Radius— R☉
Mass0.580 M☉
Distance7200.0 pc / 23483.2 ly
DiscoveryMicrolensing, 2022