Orbital debris may collide with crewed and robotic spacecraft, placing them at risk. The wide range of debris, from 9,000-kilogram rocket bodies to millions of millimeter-size debris, has led to a similarly wide range of proposed actions for addressing the risks posed by debris. However, the costs and benefits of these actions have historically been unknown. This is a challenge for decision makers who are choosing which actions to support through technology development or policy changes. NASA’s Office of Technology, Policy, and Strategy is addressing these technical and economic uncertainties by building a capability to (1) complete rigorous calculations of the net present value of each action, (2) identify an optimal portfolio of actions to reduce risk, and (3) quantitatively analyze policies related to space sustainability. This report describes our progress toward that capability and to solicit feedback from the space and economic communities. Our previous work(Colvin, Karcz, and Wusk. 2023), referred to here as Phase 1, assessed the costs and benefits of performing debris remediation on operationally relevant timescales. The current paper summarizes the work of Locke and Colvin (2024), which contains major updates to the risk model used in Phase 1 and expands the breadth of actions considered to include mitigating the creation of debris, improving the ability to track debris, and more methods for cleaning up existing debris. We demonstrate that our approach of measuring risks in dollars allows for the effectiveness of seemingly incommensurate actions to be compared and generates insights that other approaches to measuring risk have missed.


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    Title :

    Cost and Benefit Analysis of Orbital Debris Remediation, Mitigation,Tracking, and Characterization


    Contributors:
    T. J. Colvin (author) / J. Locke (author)

    Publication date :

    2024


    Size :

    12 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Cost and Benefit Analysis of Orbital Debris Remediation

    Thomas J. Colvin / John Karcz / Grace Wusk | NTRS | 2023


    Cost and Benefit Analysis of Orbital Debris Remediation

    T. J. Colvin / J. Karcz / G. Wusk | NTIS | 2023


    Cost Benefit Analysis of Space Debris Remediation

    T. Colvin / J. Karcz / G. Wusk | NTIS | 2023


    Cost Benefit Analysis of Space Debris Remediation

    Tom Colvin / John Karcz / Grace Wusk | NTRS


    Cost and Benefit Analysis of Mitigating, Tracking, and Remediating Orbital Debris

    Jericho Locke / Thomas J. Colvin / Laura Ratliff et al. | NTRS | 2024