Name the second interstellar object that was discovered in the solar system by astronomer Gennady Borisov from MARGO observatory?

According to the International Astronomical Union (IAU), a second interstellar object named 2I/Borisov has been discovered in the solar system. It was discovered by amateur astronomer Gennady Borisov from MARGO observatory, Crimea on August 30, 2019, which looked like a comet from a 0.65-metre telescope built on his own. The first interstellar object was 1I/Oumuamua.