Asteroid Mining for Mars Colony Sustainability

This paper examines the feasibility of using asteroid mining to supply a Mars colony with metallic materials. The study focuses on establishing a supply chain that respects spacecraft delta-V limits and leverages in-situ resource utilization (ISRU). The authors consider mining metallic asteroids for metals and carbonaceous asteroids for propellant production. A multi-objective optimization routine is used to compute different supply chains, considering mission delta-V, extracted metal mass, and propellant production. The paper also discusses the use of additive manufacturing on Mars to build habitats and rovers from the mined materials. This research highlights the potential of asteroid mining to enable a sustainable Mars colony by reducing reliance on Earth-based resources. However, the economic and technological challenges associated with asteroid mining remain significant. Further research is needed to develop efficient mining techniques, transportation systems, and in-situ manufacturing processes. The study also emphasizes the importance of identifying suitable asteroid targets and optimizing the supply chain to minimize costs and risks.

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