The object, dubbed 2020 SO by astronomers, will come within "just" 31,605 miles of our planet at 3:50 a.m. ET on December 1, according to NASA's Center for Near Earth Object Studies (CNEOS.) This is an "extremely close," albeit safe, approach... The object, which is estimated to measure between 15-33 feet across, was discovered by the Pan-STARRS survey based in Maui, Hawaii, on September 17, 2020. This find was confirmed two days later by the Minor Planet Center, which is responsible for the designation of minor bodies in the solar system. Initial observations suggested that the object was an asteroid....