486958 Arrokoth (provisional designation 2014 MU69) is a trans-Neptunian object located in the Kuiper belt. It is a contact binary composed of two planetesimals, nicknamed "Ultima" and "Thule", that are joined along their major axes. With the New Horizons space probe's flyby at 05:33 on 1 January 2019 (UTC time), Arrokoth became the farthest and most primitive object in the Solar System visited by a spacecraft. At the time of the New Horizons flyby, the object was unofficially nicknamed Ultima Thule.
urn:nasa:pds:context:target:trans-neptunian_object.486958_2014_mu69
1.1