PT-109 Panama
PT1 may refer to: * 486958 Arrokoth (New Horizons PT1), a Kuiper belt object and selected target for a flyby of the New Horizons probe * Pratt & Whitney PT1, a free-piston gas-turbine engine * Consolidated PT-1 Trusty, a 1930s USAAS primary trainer airplane * Piper PT-1, primary trainer airplane. * PT-1, a pre-World War II US Navy PT boat * ''Prison Tycoon'', a 2005 video game * PT1, a paratriathlon classification See also * PTI (other) * Part One Part, parts or PART may refer to: People *Armi Pärt (born 1991), Estonian handballer *Arvo Pärt (born 1935), Estonian classical composer *Brian Part (born 1962), American child actor *Dealtry Charles Part (1882–1961), sheriff (1926–1927) an ...

486958 Arrokoth
Arrokoth (minor-planet designation 486958 Arrokoth; provisional designation ), formerly nicknamed Ultima Thule, is a trans-Neptunian object located in the Kuiper belt. Arrokoth became the farthest and most primitive object in the Solar System visited by a spacecraft when the NASA space probe ''New Horizons'' conducted a flyby on 1 January 2019. Arrokoth is a contact binary long, composed of two planetesimals and across, that are joined along their major axes. With an orbital period of about 298 years and a low orbital inclination and eccentricity, Arrokoth is classified as a cold classical Kuiper belt object. Arrokoth was discovered on 26 June 2014 by astronomer Marc Buie and the New Horizons Search Team using the Hubble Space Telescope as part of a search for a Kuiper belt object for the ''New Horizons'' mission to target in its first extended mission; it was chosen over two other candidates to become the primary target of the mission. Name When Arrokoth ...
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