Aerocapture Assessment for NASA Ice Giants Pre-Decadal Survey Mission Study

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Aerocapture Assessment for NASA Ice Giants Pre-Decadal Survey Mission Study

Saikia, Sarag J. / Millane, James / Lu, Ye / Mudek, Alec / Arora, Archit / Witsberge, Paul / Hughes, Kyle / Longuski, James M. / Spilker, Thomas / Petropoulos, Anastassios / ... [more]

Abstract

A performance analysis for aerocapture at Uranus and Neptune is presented and considers entry corridor width, peak deceleration, peak heat rate, total heat load, and the effect of postcapture orbit on the design parameters. Aerocapture mass benefit vs chemical capture is also quantified. Design relationships are found that can be used in flight system sizing for future studies involving aerocapture. Results are obtained for interplanetary trajectories for launch years from 2025 to 2036, including both chemical capture and high arrival $V_{\infty}$ . The results show that based on the current assumption for errors and uncertainties aerocapture at Uranus and Neptune requires a mid-lift-to-drag ratio between 0.6 and 0.8. Technology recommendations are made for aerocapture missions to Uranus and Neptune.

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Document information

Title :

Aerocapture Assessment for NASA Ice Giants Pre-Decadal Survey Mission Study

Contributors:

Saikia, Sarag J. (author) / Millane, James (author) / Lu, Ye (author) / Mudek, Alec (author) / Arora, Archit (author) / Witsberge, Paul (author) / Hughes, Kyle (author) / Longuski, James M. (author) / Spilker, Thomas (author) / Petropoulos, Anastassios (author)

Published in:

Journal of Spacecraft and Rockets ; 58 , 2 ; 505-515

Publication date :

2021-02-22

Size :

11 pages

ISSN :

1533-6794

DOI :

https://doi.org/10.2514/1.A34703

Type of media :

Article (Journal)