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New Horizons 2

March 10, 2023

New Horizons 2 (also New Horizons II, NHII, or NH2) was a proposed mission to the trans-Neptunian objects by NASA. It was conceived as a planetary flyby mission in 2002, based on the New Horizons spacecraft, which was in development at the time.[1][2] In March 2005, the proposal was not selected for further development because of a shortage of plutonium-238 needed for the radioisotope thermoelectric generator (RTG).[3] The New Horizons 2 study was funded out of the New Frontiers program, and was delivered to the U.S. Congress in June 2005.[4]

Design of the first New Horizons spacecraft

Description

New Horizons 2 was included in the tentative budget for the New Frontiers program missions.[5] In 2004 the United States Senate Appropriations Committee provided additional funding for New Horizons 2, a new Kuiper belt mission.[6] As early as 2004 there was a conference on how to make the most use of New Horizons 2's Uranus flyby.[7]

Candidate targets included 47171 Lempo, a system that, like Pluto–Charon, contains multiple bodies.[5] The mission plan for Lempo also included flybys of Jupiter and Uranus,[5] and perhaps four Kuiper belt objects (KBO).[8] There was a lot of flexibility: even without a gravity assist any KBO within 50 AU and a 20-year flight time was possible.[9] A flyby of Neptune's Triton was also considered, with 66652 Borasisi as a potential follow on.[9] 2002 UX25 was also considered to be visited, having a similar orbit as Lempo.[10]

See also

References

  1. ^ . 2012-05-26. Archived from the original on 2012-05-26. Retrieved 2018-10-30.
  2. ^ Stern, Alan; Binzel, Rick; et al. "New Horizons 2" (PDF). Lunar and Planetary Institute. Retrieved 2 August 2013.
  3. ^ "New Horizons II Final Report - March 2005" (PDF).
  4. ^ "Presentation: SSE Decadal Survey and New Horizons: A Rough Start" (PDF). June 2005.
  5. ^ a b c Czysz, Paul A.; Bruno, Claudio (2009-03-20). Future Spacecraft Propulsion Systems: Enabling Technologies for Space Exploration. Springer. p. 378. ISBN 9783540888147.
  6. ^ Stern, Alan (October 5, 2004). "New Horizons For Planetary Exploration". Retrieved January 22, 2014.
  7. ^ "Revolution Afoot-- Cheaper, More Frequent Outer Planets Missions - New Horizons II Workshop". www.spaceref.com. June 5, 2004. Retrieved March 2, 2023.
  8. ^ Stern, Alan; et al. "New Horizons 2" (PDF). NASA (Outer Planets Assessment Group). Retrieved 13 May 2012. parent
  9. ^ a b "Final Report of the New Horizons II Review Panel" (PDF).
  10. ^ Portree, David S. F. "No Shortage of Dreams: New Horizons II (2004-2005)".

External links

  • New Horizons 2 Concept Overview (Feb 2005)   PPT (15.6MB)
  • New Horizons 2 Report

March 10, 2023
horizons, also, horizons, nhii, proposed, mission, trans, neptunian, objects, nasa, conceived, planetary, flyby, mission, 2002, based, horizons, spacecraft, which, development, time, march, 2005, proposal, selected, further, development, because, shortage, plu. New Horizons 2 also New Horizons II NHII or NH2 was a proposed mission to the trans Neptunian objects by NASA It was conceived as a planetary flyby mission in 2002 based on the New Horizons spacecraft which was in development at the time 1 2 In March 2005 the proposal was not selected for further development because of a shortage of plutonium 238 needed for the radioisotope thermoelectric generator RTG 3 The New Horizons 2 study was funded out of the New Frontiers program and was delivered to the U S Congress in June 2005 4 Design of the first New Horizons spacecraft Contents 1 Description 2 See also 3 References 4 External linksDescription EditNew Horizons 2 was included in the tentative budget for the New Frontiers program missions 5 In 2004 the United States Senate Appropriations Committee provided additional funding for New Horizons 2 a new Kuiper belt mission 6 As early as 2004 there was a conference on how to make the most use of New Horizons 2 s Uranus flyby 7 Candidate targets included 47171 Lempo a system that like Pluto Charon contains multiple bodies 5 The mission plan for Lempo also included flybys of Jupiter and Uranus 5 and perhaps four Kuiper belt objects KBO 8 There was a lot of flexibility even without a gravity assist any KBO within 50 AU and a 20 year flight time was possible 9 A flyby of Neptune s Triton was also considered with 66652 Borasisi as a potential follow on 9 2002 UX25 was also considered to be visited having a similar orbit as Lempo 10 See also EditInnovative Interstellar Explorer 2003 concept study for RTG powered ion engined probe to 200 AU by 2030 List of New Horizons topicsReferences Edit New Horizons II 2004 2005 Wired Science Wired com 2012 05 26 Archived from the original on 2012 05 26 Retrieved 2018 10 30 Stern Alan Binzel Rick et al New Horizons 2 PDF Lunar and Planetary Institute Retrieved 2 August 2013 New Horizons II Final Report March 2005 PDF Presentation SSE Decadal Survey and New Horizons A Rough Start PDF June 2005 a b c Czysz Paul A Bruno Claudio 2009 03 20 Future Spacecraft Propulsion Systems Enabling Technologies for Space Exploration Springer p 378 ISBN 9783540888147 Stern Alan October 5 2004 New Horizons For Planetary Exploration Retrieved January 22 2014 Revolution Afoot Cheaper More Frequent Outer Planets Missions New Horizons II Workshop www spaceref com June 5 2004 Retrieved March 2 2023 Stern Alan et al New Horizons 2 PDF NASA Outer Planets Assessment Group Retrieved 13 May 2012 parent a b Final Report of the New Horizons II Review Panel PDF Portree David S F No Shortage of Dreams New Horizons II 2004 2005 External links EditNew Horizons 2 Concept Overview Feb 2005 PPT 15 6MB New Horizons 2 Report Retrieved from https en wikipedia org w index php title New Horizons 2 amp oldid 1142559246, wikipedia, wiki, book, books, library,

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