Analysis of a Bank Control Guidance for Aerocapture at Uranus

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Analysis of a Bank Control Guidance for Aerocapture at Uranus

D. A. Matz / B. J. Johnson / J. K. Geiser / S. A. Sandoval / R. G. Deshmukh / R. A. Lugo / S. Dutta / P. S. Chadalavada

We apply the Fully Numerical Predictor-corrector Aerocapture Guidance to capture a vehicle into orbit for a mission at Uranus. Using the Genesis flight mechanics simulation, we analyze both undispersed and dispersed trajectories in order to tune the guidance parameters. We then assess the performance of the guidance using Monte Carlo analyses. Properly accounting for the oblateness of Uranus within the guidance proves to be critical. We identify high-to-low density gradients as the cause of large target orbit misses. Intentionally targeting a steeper flight-path angle at entry interface mitigates the risk of exiting the atmosphere on a hyperbolic orbit. Finally, We deliver the guidance code and tuned parameters for integration into the Program to Optimize Simulated Trajectories II.

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Titel :

Analysis of a Bank Control Guidance for Aerocapture at Uranus

Beteiligte:

D. A. Matz (Autor:in) / B. J. Johnson (Autor:in) / J. K. Geiser (Autor:in) / S. A. Sandoval (Autor:in) / R. G. Deshmukh (Autor:in) / R. A. Lugo (Autor:in) / S. Dutta (Autor:in) / P. S. Chadalavada (Autor:in)

Erscheinungsdatum :

2023

Format / Umfang :

11 pages

Medientyp :

Report

Format :

Keine Angabe

Sprache :

Englisch

Schlagwörter :

Astronautics , Manned Spacecraft , Spacecraft Trajectories & Flight Mechanics , Unmanned Spacecraft

Analysis of a Bank Control Guidance for Aerocapture at Uranus

Analysis of a Bank Control Guidance for Aerocapture at Uranus

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