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2014 PN70
(formerly labeled g12000JZ in the context of the Hubble Space Telescope, and g1 and PT3 in the context of the ''New Horizons'' mission) is a Kuiper belt object (KBO) and was a proposed flyby target for the ''New Horizons'' probe.
==Discovery and naming==
was discovered during an observation campaign intended to search for KBO flyby targets for the ''New Horizons'' probe. The observations started in June 2014, and more intensive ones continued in July and August. They were conducted with the help of the Hubble Space Telescope (HST); 's magnitude of 26.4 is too faint to be observed by ground-based telescopes. was first discovered in observations on August 6, 2014, and it was designated g12000JZ at the time, nicknamed g1 for short.〔〔 Its existence as a potential target of the ''New Horizons'' probe was revealed by NASA in October 2014〔(【引用サイトリンク】title=NASA's Hubble Telescope Finds Potential Kuiper Belt Targets for New Horizons Pluto Mission )〕 and it was designated PT3; its official name, , was not assigned by the Minor Planet Center (MPC) until March 2015 after better orbit information was available.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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