Lucy is NASA’s next Discovery-class mission and will explore the Trojan asteroids in the Sun-Jupiter L4 and L5 regions. This paper details the design of Lucy’s interplanetary trajectory using a two-point direct shooting transcription, nonlinear programming, and monotonic basin hopping. These techniques are implemented in the Evolutionary Mission Trajectory Generator (EMTG), a trajectory optimization tool developed at NASA Goddard Space Flight Center. We present applications to the baseline trajectory design, Monte Carlo analysis, and operations.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Optimization of the Lucy Interplanetary Trajectory via Two-Point Direct Shooting



    Conference:

    AAS/AIAA Astrodynamics Specialist Conference ; 2019 ; Portland, ME, United States


    Publication date :

    2019-08-11


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




    Optimization of the Lucy Interplanetary Trajectory via Two-Point Direct Shooting

    J. A. Englander / D. H. Ellison / K. Williams et al. | NTIS | 2019


    Optimization of the Lucy Interplanetary Trajectory Via Two-Point Direct Shooting (AAS 19-633)

    Englander, Jacob A. / Ellison, Donald H. / Williams, Ken et al. | TIBKAT | 2020



    A Direct Trajectory Optimization Method for Constrained Interplanetary Missions

    Kluever, C. A. / Cupples, M. L. / Kirchmyer, R. H. et al. | British Library Conference Proceedings | 1999


    Direct multiple shooting for computationally efficient train trajectory optimization

    Kouzoupis, Dimitris / Pendharkar, Ishan / Frey, Jonathan et al. | Elsevier | 2023