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Atmospheric Models for Aeroentry and AeroassistEight destinations in the Solar System have sufficient atmosphere for aeroentry, aeroassist, or aerobraking/aerocapture: Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, plus Saturn's moon Titan. Engineering-level atmospheric models for Earth, Mars, Titan, and Neptune have been developed for use in NASA s systems analysis studies of aerocapture applications. Development has begun on a similar atmospheric model for Venus. An important capability of these models is simulation of quasi-random perturbations for Monte Carlo analyses in developing guidance, navigation and control algorithms, and for thermal systems design. Characteristics of these atmospheric models are compared, and example applications for aerocapture are presented. Recent Titan atmospheric model updates are discussed, in anticipation of applications for trajectory and atmospheric reconstruct of Huygens Probe entry at Titan. Recent and planned updates to the Mars atmospheric model, in support of future Mars aerocapture systems analysis studies, are also presented.
Document ID
20040120869
Acquisition Source
Marshall Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Justus, C. G.
(Morgan Research Corp. Huntsville, AL, United States)
Duvall, Aleta
(Morgan Research Corp. Huntsville, AL, United States)
Keller, Vernon W.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 7, 2013
Publication Date
June 15, 2004
Subject Category
Astrodynamics
Meeting Information
Meeting: 2nd Planetary Probe Workshop
Location: Moffett Field, CA
Country: United States
Start Date: August 23, 2004
End Date: August 26, 2004
Funding Number(s)
CONTRACT_GRANT: NNM04AA02C
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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