ADBSat: Verification and validation of a novel panel method for quick aerodynamic analysis of satellites

We present the validation of ADBSat, a novel implementation panel method including fast pseudo-shading algorithm, that can quickly and accurately determine forces torques on satellites in free-molecular flow. Our main is comparing test cases between current de facto standard direct simulation Monte Carlo (DSMC), published literature. ADBSat exhibits significantly shorter runtime than DSMC performs well, except where deep concavities are satellite models. The shading algorithm also experiences problems when large proportion surface area oriented parallel to flow, but this be mitigated by examining body at small angles configuration (${\pm}$ 0.1{\deg}). recommend an error interval outputs up 3\% adopted. Therefore, suitable tool for determining aerodynamic characteristics wide range geometries different environmental conditions VLEO. It used complementary manner identify warrant further investigation using other numerical-based methods.