Abstract Libration Point Orbits (LPOs) and Highly Elliptical Orbits (HEOs) are often selected for astrophysics and solar terrestrial missions. No guidelines currently exist for their end-of-life disposal. However, as current and future missions are planned to be placed on these orbits, it is a critical aspect to clear these regions at the end of operations to avoid damage to other spacecraft and ensure on-ground safety. This paper presents an analysis of possible disposal strategies for LPO and HEO missions as a result of a European Space Agency study. The dynamical models and the design approach are presented for each disposal option. Five current missions are selected as test cases Herschel, Gaia, SOHO as LPOs, and INTEGRAL and XMM-Newton as HEOs. A trade-off on the disposal options is made considering technical feasibility, as well as the sustainability context.

    Highlights End-of-life guidelines need to be defined for libration point orbit and Highly Elliptical Orbit missions. Possible disposal strategies are presented as a result of a European Space Agency study. The trajectory design exploits the perturbed dynamics in the Earth environment and in the Sun–Earth and Moon system. Five ESA missions are selected: INTEGRAL, XMM-Newton, Herschel, Gaia and SOHO. A trade-off and general guidelines are drawn based on technical feasibility and sustainability.


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    Titel :

    End-of-life disposal concepts for Libration Point Orbit and Highly Elliptical Orbit missions


    Beteiligte:

    Erschienen in:

    Acta Astronautica ; 110 ; 298-312


    Erscheinungsdatum :

    2014-11-03


    Format / Umfang :

    15 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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