The central objective of the New Horizons prime mission was to make the first exploration of Pluto and its system of moons. Following that, New Horizons has been approved for its first extended mission, which has the objectives of extensively studying the Kuiper Belt environment, observing numerous Kuiper Belt Objects (KBOs) and Centaurs in unique ways, and making the first close flyby of the KBO 486958 2014 MU69. This review summarizes the objectives and plans for this approved mission extension, and briefly looks forward to potential objectives for subsequent extended missions by New Horizons.

中文翻译：

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新视野号柯伊伯带扩展任务

新视野号主要任务的中心目标是对冥王星及其卫星系统进行首次探索。之后，新视野号被批准执行其首次扩展任务，其目标是广泛研究柯伊伯带环境，以独特的方式观察众多柯伊伯带天体 (KBO) 和半人马，并首次近距离飞越 KBO 486958 2014 MU69。本次审查总结了此次批准的任务扩展的目标和计划，并简要展望了新视野号后续扩展任务的潜在目标。