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Lucy Orbit Determination Performance From Launch Through EGA-1Lucy is a 12-year long NASA Discovery-class mission which launched on October 16, 2021 and is currently on its way to the Jupiter-Trojan asteroids at the L4 and L5 Lagrange points. On its journey to the Trojan asteroids, Lucy will also fly by two main belt asteroids, and perform 3 Earth fly bys. This paper summarizes primarily the Orbit Determination (OD) aspect of the first year of the mission from launch through the first Earth fly by (EGA-1). Some challenges were encountered for OD as part of the +Y solar array not fully deploying, but these were resolved within the first year of flight. The high quality radio-metric data from the Deep Space Network including 2- and 3-way Doppler, sequential 2-way ranging, complemented by delta differential one-way ranging (∆DOR) has enabled the OD team to characterize the Solar Radiation Pressure force, resolve desaturation maneuvers, generate both maneuver reconstructions and accurate long-term predicted trajectories. This paper discusses the filter setup and strategies implemented, as well as the OD performance from launch, through cruise, and including EGA-1.
Document ID
20240000783
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Jeroen L. Geeraert
(KinetX Aerospace)
Joel T. Fischetti
(KinetX Aerospace)
Dale R. Stanbridge
(KinetX Aerospace )
Coralie D. Jackman
(KinetX Aerospace )
James V. McAdams
(KinetX Aerospace )
Kevin Berry
(Goddard Space Flight Center Greenbelt, United States)
Jason M. Leonard
(KinetX Aerospace )
Daniel Wibben
(KinetX Aerospace )
John Y. Pelgrift
(KinetX Aerospace )
Michael J. Salinas
(KinetX Aerospace Houston, United States)
Chris G. Bryan
(KinetX Aerospace)
Date Acquired
January 18, 2024
Subject Category
Lunar and Planetary Science and Exploration
Report/Patent Number
AAS 23-247
Meeting Information
Meeting: 2023 AAS/AIAA Astrodynamics Specialist Conference
Location: Big Sky, MT
Country: US
Start Date: August 13, 2023
End Date: August 17, 2023
Sponsors: American Institute of Aeronautics and Astronautics, American Astronautical Society
Funding Number(s)
WBS: 577236.07.05.01
CONTRACT_GRANT: 80GSFC18C0070
Distribution Limits
Public
Copyright
Public Use Permitted.
Technical Review
NASA Peer Committee
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