Sending a Spacecraft to Interstellar Comet 2I/Borisov
Adam Hibberd, Nikolaos Perakis, Andreas M. Hein

TL;DR
This paper evaluates the technical feasibility of sending spacecraft to interstellar comet 2I/Borisov using current technology, analyzing trajectories, launch options, and mission timelines to determine realistic mission parameters.
Contribution
It provides a detailed feasibility assessment for interstellar comet missions using existing propulsion and launch systems, including trajectory optimization and payload estimates.
Findings
A Falcon Heavy could send an 8-ton spacecraft to 2I/Borisov.
A 2027 launch with SLS could reach 2I/Borisov by 2052.
Earlier arrival is possible with higher ΔV and lower payloads.
Abstract
In August 2019, a second interstellar object 2I/Borisov was discovered 2 years after the discovery of the first known interstellar object, 1I/'Oumuamua. Can we send a spacecraft to this object, using existing technologies? In this paper we assess the technical feasibility of a near-term mission to 2I/Borisov. We apply the Optimum Interplanetary Trajectory Software (OITS) tool to generate trajectories to 2I/Borisov. As results, we get the minimal trajectory with a launch date in July 2018. For this trajectory, a Falcon Heavy launcher could have hauled an 8 ton spacecraft to 2I/Borisov. For a later launch date, results for a combined powered Jupiter flyby with a Solar Oberth maneuver are presented. For a launch in 2027, we could reach 2I/Borisov in 2052, using the Space Launch System (SLS), up-scaled Parker probe heat shield technology, and solid propulsion engines. Using a SLS…
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