Farthest object ever visited: Ultima Thule
Ultima Thule is the most distant object ever visited. It is visited by NASA’s New Horizons spacecraft.
Ultima Thule is officially named (486958) 2014 MU69. It is located in the Kuiper Belt. This belt is in the outer Solar System (beyond Neptune) and it consists of small bodies including Pluto.
2014 MU69 is located about 6.5 billion kilometres from Earth. It is a peanut-shaped rock. It is 32 km long and 16 km wide.
About New Horizons
New Horizons is a space probe that was launched in 2006. It became the first mission to visit Pluto in 2015. Moving further, the nuclear-powered space probe came within 3,500 km of Ultima Thule.