Abstract Accurate prediction of re-entry time and location of an uncontrolled re-entering space object is crucial but challenging. This paper presents in-house re-entry prediction algorithms: RSMGA, STKOptim, STKLTOptim, and ABPro. Case studies on re-entry prediction of Starlink-26 (COSPAR ID 2019-029F or NORAD ID 44240) and CZ-5B (COSPAR ID 2021-035B or NORAD ID 48275) during the IADC re-entry test campaigns 2021/1 and 2021/2, respectively are presented. Simultaneous application of these re-entry prediction algorithms facilitates decision-making on automation of switching between these algorithms during various phases (short term or long-term) of the re-entry campaign. The effectiveness and applicability of these algorithms are studied based on percentage error. The study focuses on the overall and time-based performance of the four methods. Six more re-entered objects are selected (three Geosynchronous transfer orbit (GTO) objects and 3 Low-Earth orbit (LEO) objects), and their re-entry time prediction has been carried out using the four methods for different time instances before re-entry. Prediction estimates are compared among the methods for all the time instances in terms of percentage error. Also, the study helps in fixing the suitability of the re-entry time prediction algorithm for objects from GTO and LEO.


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    Titel :

    Assessment of in-house algorithms on re-entry time prediction of uncontrolled space objects


    Beteiligte:
    Dutt, Pooja (Autor:in) / Mutyalarao, M. (Autor:in) / Bhanumathy, P. (Autor:in) / Saritha Kumari, T.R. (Autor:in) / Negi, Deepak (Autor:in) / Anilkumar, A.K. (Autor:in) / Kumar, Abhay (Autor:in) / Ashok, V. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 72 , 7 ; 2535-2551


    Erscheinungsdatum :

    2022-12-10


    Format / Umfang :

    17 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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