The candidate for an "Earth twin" is called EPIC 201497682.03. "EPIC” stands for “Ecliptic Planet Input Catalog”, which was a list of targets that the Kepler Space Telescope's K2 mission was supposed to observe. NASA/Wendy StenzelWhat is the Kepler Space Telescope? The researchers used data from NASA’s Kepler Space Telescope as a test bed for their new algorithm. Planned for launch by 2026, the PLATO (PLAnetary Transits and Oscillations of stars) mission will assemble the first-ever catalog of confirmed planets, including planets in the habitable zone of their host stars.

Source: Forbes May 23, 2019 13:50 UTC