Abstract Drag coefficient is a major source of uncertainty in predicting the orbit of a satellite in low Earth orbit (LEO). Computational methods like the Test Particle Monte Carlo (TPMC) and Direct Simulation Monte Carlo (DSMC) are important tools in accurately computing physical drag coefficients. However, the methods are computationally expensive and cannot be employed real time. Therefore, modeling of the physical drag coefficient is required. This work presents a technique of developing parameterized drag coefficients models using the DSMC method. The technique is validated by developing a model for the Gravity Recovery and Climate Experiment (GRACE) satellite. Results show that drag coefficients computed using the developed model for GRACE agree to within 1% with those computed using DSMC.
Drag coefficient modeling for grace using Direct Simulation Monte Carlo
Advances in Space Research ; 52 , 12 ; 2035-2051
2013-08-30
17 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Drag coefficient modeling for grace using Direct Simulation Monte Carlo
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|Drag Coefficient Modeling for GRACE Using Direct Simulation Monte Carlo (AAS 13-284)
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