| abstract | - New Horizons 2 was included in the tentative budget for the New Horizons missions. In 2004 the United States Senate Appropriations Committee provided additional funding for New Horizons 2, a new Kuiper belt mission. As early as 2004 there was a conference on how to make the most use of New Horizons 2's Uranus flyby. Candidate targets included , a system that, like Pluto–Charon, contains multiple bodies. The mission plan for also included flybys of Jupiter and Uranus, and perhaps four Kuiper belt objects (KBO). There was a lot of flexibility: even without a gravity assist any KBO within 50 AU and a 20-year flight time was possible. A flyby of Neptune's Triton was also considered, with 66652 Borasisi as a potential follow on. was also considered to be visited, having a similar flight plan as .
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