ʻOumuamua

ʻOumuamua () is an object from another star system that visited our solar system. Its official name is 1I/2017 U1.
ʻOumuamua is the first interstellar object that we know has passed through our solar system. Oumuamua was first discovered on 19 October 2017 using the Pan-STARRS1 telescope at the Haleakala Observatory in Hawaii.
Its appearance is long and narrow, and it had a dark red color, similar to objects in the outer Solar System.