AbstractThe Inter-Agency Space Debris Coordination Committee (IADC) Space Debris Mitigation Guidelines, issued in 2002 and revised in 2007, address the post mission disposal of objects in orbit. After their mission, objects crossing the Low Earth Orbit (LEO) should have a remaining lifetime in orbit not exceeding 25 years. Objects near the Geostationary Orbit (GEO) region should be placed in an orbit that remains outside of the GEO protected region. In this paper, the impact of satellites and rocket bodies performing End-of-Life (EOL) orbital manoeuvres on the collision risk in the LEO and GEO protected regions is investigated. The cases of full or partial compliance with the IADC post mission disposal guideline are studied. ESA's Meteoroid and Space Debris Terrestrial Environment Reference (MASTER) model is used to compare the space debris flux rate of the object during the remaining lifetime estimated for the pre-EOL-manoeuvre and for the post-EOL-manoeuvre orbit. The study shows that, on average, the probability of collision can be significantly decreased by performing an EOL-manoeuver.

    HighlightsImpact of historical satellite end-of-life manoeuvres on collision risk is assessed.Compliant manoeuvres lead to significant reduction in number of projected collisions.Number of projected collisions in LEO are estimated based on two scenarios.Current adherence to disposal guideline is shown to be insufficient.


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    Title :

    Impact of End-of-Life manoeuvres on the collision risk in protected regions


    Contributors:

    Published in:

    Acta Astronautica ; 138 ; 417-422


    Publication date :

    2017-06-14


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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