Optimal Active Debris Removal Policy in the Long-run

Anelí Bongers and Jose Torres ()

No 07-2025, Space Economics Working Papers from Institute for Space Economics

Abstract: This paper evaluates optimal active debris removal (ADR) policies for managing space pollution caused by orbital debris. ADR refers to ex post mitigation efforts that involve removing debris from orbit. We extend the DISE-2024 model, an integrated assessment model (IAM) of the global economy and space environment, by incorporating ex-post abatement cost functions for different types of orbital debris. The model determines optimal abatement expenditures and the optimal proportion of debris (derelict satellites, rocket bodies, and fragments) to be removed in order to maximize social welfare. Our findings indicate that the optimal removal rate for small debris fragments is higher than for larger objects such as derelict satellites and rocket bodies. The cost of implementing ADR policies increases over time as space activity expands. Importantly, optimal ADR policies help prevent unlimited accumulation of orbital debris, avoiding the risk of a Kessler syndrome.

Keywords: Outer space; Orbital debris; Satellites; Abatement cost; Optimal policy; ADR policies (search for similar items in EconPapers)
JEL-codes: D62 E21 Q53 Q58 (search for similar items in EconPapers)
Pages: 28 pages
Date: 2025-07, Revised 2025-07
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Persistent link: https://EconPapers.repec.org/RePEc:bhw:wpaper:07-2025

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