OGLE-2019-BLG-0960Lb is an

exoplanet An exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence of an exoplanet was noted in 1917 but was not recognized as such. The first confirmation of detection occurred in 1992. A different planet, init ...

that was discovered in January 2021. As of March 2021, it is the smallest exoplanet to be detected via

microlensing Gravitational microlensing is an astronomical phenomenon due to the gravitational lens effect. It can be used to detect objects that range from the mass of a planet to the mass of a star, regardless of the light they emit. Typically, astronomers ...

References

Exoplanets detected by microlensing Exoplanets discovered in 2021 {{Extrasolar-planet-stub