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- W4205514220 abstract "The Lucy Jupiter-Trojan asteroid mission launched on October 16th, 2021, setting out for the first-ever exploration of the Trojan asteroid clusters at the Jupiter-Sun L4 and L5 points. Between June 2027 and November 2028, Lucy will conduct five consecutive close flybys in the L4 cluster. In 2033, it will return to the Jupiter Trojans to conduct one final close flyby of the Patroclus/Meonetius binary asteroid system in the L5 cluster. In 2025, while enroute to the Trojans, Lucy will perform a flyby of the main belt asteroid (52246) Donaldjohanson. Robust optical navigation (OpNav) capabilities, techniques, and planning will be essential to the navigation efforts of the Lucy mission, enabling precise and accurate navigation relative to the flyby targets. Due to the geometry of the flyby encounters, any improvement in B-plane targeting and time-of-flight (TOF) uncertainty must be obtained using optical navigation. Since most Trojans do not have known moons to provide parallax information, TOF information must be derived from single-body OpNav combined with a priori Hubble Space Telescope-based or ground-based information. To these ends, a concept of operations, and expanded OpNav planning and operations tools have been developed to meet the specific challenges the Lucy mission presents. Additionally, rigorous OpNav operations simulations are ongoing to verify these strategies and procedures. This paper discusses the details of the Lucy OpNav ConOps and capabilities. Details of the planning tools, encounter timelines, and simulation results are presented." @default.
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- W4205514220 date "2022-01-03" @default.
- W4205514220 modified "2023-10-08" @default.
- W4205514220 title "Optical Navigation Operations and Preparations for the Lucy Trojan-Asteroid Mission" @default.
- W4205514220 doi "https://doi.org/10.2514/6.2022-1226" @default.
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