Abstract The number of artificial objects in orbit continues to increase and, with it, a key threat to space sustainability. In response, space agencies have identified a set of mitigation guidelines aimed at enabling space users to reduce the generation of space debris by, for example, limiting the orbital lifetime of their spacecraft and launcher stages after the end of their mission. Planned, large constellations of satellites in low Earth orbit (LEO), though addressing the lack of basic internet coverage in some world regions, may disrupt the sustainability of the space environment enabled by these mitigation practices. We analyse the response of the space object population to the introduction of a large constellation conforming to the post-mission disposal guideline with differing levels of success and with different disposal orbit options. The results show that a high success rate of post-mission disposal by constellation satellites is a key driver for space sustainability.

    Highlights The response of the space object population to large constellations is analysed. The key driver for space sustainability is a high success rate of PMD. The failed constellation satellites are catalyst for a population increase. Widespread adherence to space debris mitigation practices is needed.


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    Titel :

    Risk to space sustainability from large constellations of satellites


    Beteiligte:
    Bastida Virgili, B. (Autor:in) / Dolado, J.C. (Autor:in) / Lewis, H.G. (Autor:in) / Radtke, J. (Autor:in) / Krag, H. (Autor:in) / Revelin, B. (Autor:in) / Cazaux, C. (Autor:in) / Colombo, C. (Autor:in) / Crowther, R. (Autor:in) / Metz, M. (Autor:in)

    Erschienen in:

    Acta Astronautica ; 126 ; 154-162


    Erscheinungsdatum :

    2016-03-24


    Format / Umfang :

    9 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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