Project Lyra: Sending a spacecraft to 1I/’Oumuamua (former A/2017 U1), the interstellar asteroid

@article{Hein2019ProjectLS,
  title={Project Lyra: Sending a spacecraft to 1I/’Oumuamua (former A/2017 U1), the interstellar asteroid},
  author={Andreas Makoto Hein and Nikolaos Perakis and T. M. Eubanks and Adam Hibberd and Adam C. Crowl and Kieran Hayward and Robert G. Kennedy and Richard Osborne},
  journal={Acta Astronautica},
  year={2019}
}
The first definitely interstellar object 1I/'Oumuamua (previously A/2017 U1) observed in our solar system provides the opportunity to directly study material from other star systems. Can such objects be intercepted? The challenge of reaching the object within a reasonable timeframe is formidable due to its high heliocentric hyperbolic excess velocity of about 26 km/s; much faster than any vehicle yet launched. This paper presents a high-level analysis of potential near-term options for such a… 
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