LEO debris population will continue to increase even with a good implementation of the commonly-adopted mitigation measures. The root-cause of the increase is catastrophic collisions involving large/massive intact objects (rocket bodies or spacecraft). The major mission-ending risks for most operational spacecraft, however, come from impacts with debris just above the threshold of the protection shields (approximately 5-mm to 1-cm). A solution-driven approach is to seek: Concepts for removal of massive intacts with high P(collision); Concepts capable of preventing collisions involving intacts; Concepts for removal of 5-mm to 1-cm debris; Enhanced impact protection shields for valuable space assets. Key questions for remediation consideration of orbital debris: What is the acceptable threat level. What are the mission objectives. What is the appropriate roadmap/timeframe for remediation. Support advanced technology development when an economically viable approach is identified. Address non-technical issues, such as policy, coordination, ownership, legal, and liability at the national and international levels.


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    Title :

    Orbital Debris Problem and the Challenges for Environment Remediation


    Contributors:
    J. C. Liou (author)

    Publication date :

    2014


    Size :

    10 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English