\begin{table}%t4
\caption{\label{tab:fragmentation-parameters}Numerical parameters for the fragmentation calibration setup.}
%\centering
\par
\begin{tabular}{l c c l}
\hline\hline\noalign{\smallskip}
Physical quantity & Symbol & Value & Unit \\
\hline
\textbf{Glass plate} & & \\
$\rm {Bulk~density}^{(*)}$ & $\rho_0$	& 2540 			& $\rm kg~m^{-3}$ \\
$\rm {Bulk~modulus}^{(*)}$ & $K_0$ 	& $\rm 5 \times 10^9$ 	& Pa \\
$\rm {Murnaghan~exponent}^{(*)}$ & $n$		& 4			& -- \\
Radius			&$r_{\rm plate}$& $0.8 \times 10^{-3}$  & m\\
Thickness		&$d_{\rm plate}$& $0.04 \times 10^{-3}$  & m \\
\hline
\textbf{Dust sample} & & \\
Initial density		& $\rho_i$	& 300			& $\rm kg~m^{-3}$ \\
Bulk density		& $\rho_{\rm s}$	& 2000			& $\rm kg~m^{-3}$ \\
Reference density	& $\rho_0'$	& 700			& $\rm kg~m^{-3}$ \\
Initial filling factor	& $\phi_i$	& 0.35			& -- \\
Bulk modulus		& $K_0$		& various		& Pa \\
ODC mean pressure	& $p_{\rm m}$		& 260			& Pa \\
ODC max.\ filling factor& $\phi_2$	& 0.58			& -- \\
ODC min.\ filling factor& $\phi_1$	& 0.12			& -- \\
ODC slope		& $\Delta$	& 0.58			& -- \\
Impact velocity		& $v_0$		& 8.4			& $\rm m~s^{-1}$ \\
Radius			& $r$		& $0.285 \times 10^{-3}$& $\rm m$ \\
\hline
\end{tabular}
\tablefoot {ODC stands for omni-directional compression relation (Eq.~(\ref{eq:compressive-strength})). Quantities marked by~(*) represent the parameters for sandstone in \citet{Melosh1989}, which we adopt for glass~here.}
\end{table}