Finding Earth 2.0
OGLE-2017-BLG-1237L

OGLE-2017-BLG-1237L b

Discovered by Microlensing in 2024

unknownmeasured

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

13.00 R⊕

Radius

Planet

Mass1207.748 M⊕measured
Bulk density3.020 g/cm³
Orbital period— days
Semi-major axis2.53000 au
Eccentricity
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation0.42 masReflected-light contrast 4.58e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostOGLE-2017-BLG-1237L
Spectral type
Effective temperature— K
Radius— R☉
Mass0.460 M☉
Distance6030.0 pc / 19667.2 ly
DiscoveryMicrolensing, 2024