Although Eq. (\ref{RDG}) can be applied exclusively when the conditions shown in (\ref{eq:RDGA}) are met for many fractal aerosols in planetary atmospheres, such as soot particles or Titan's and Pluto's haze, these conditions for RDG approximation are not met, leading to nontrivial deviation from RDG approximation \citep{Sorensen_2018}. Therefore, as a first-order correction to the RDG approximation, here we apply an average attenuation observed by individual monomer. Further revisions to the multiple interactions within the aggregate are made empirically and will be discussed later. With the inclusion of monomer shielding effect, the following three elements of the aggregate phase function are computed as