\begin{table}%t4
\caption{\label{models}Best-fit models.}
%%\centering

\par
\begin{tabular}{lccl}
\hline \hline \noalign{\smallskip}
 Object 	&	 Amount 	&	 Grain size 	&	 Material 	\\
 model 	&	 (\%) 	&	 ($\mu$m) 	&		\\
\hline
 (52872)	&	71	&	10	&	Amorphous carbon	\\
Okyrhoe	&	26	&	10	&	Triton tholin	\\
$\chi^2$ = 2.03	&	3	&	10	&	Titan tholin	\\
	&		&		&		\\
 (73480)	&	55	&	10	&	Amorphous carbon	\\
2002 PN$_{34}$	&	34	&	10	&	Triton tholin	\\
$\chi^2$ = 181.21	&	11	&	40	&	Amorphous H$_2$O	\\
	&		&		&		\\
 (90482)	&	50	&	15	&	Crystalline H$_2$O	\\
Orcus	&	23	&	15	&	Amorphous H$_2$O	\\
Model 1	&	19	&	10	&	Amorphous carbon	\\
$\chi^2$ = 200.06	&	8	&	10	&	Triton tholin	\\
	&		&		&		\\
 (90482)	&	50	&	15	&	Crystalline H$_2$O	\\
Orcus	&	22.5	&	15	&	Amorphous H$_2$O	\\
Model 2	&	20.5	&	10	&	``Blue'' component	\\
$\chi^2$ = 136.49	&	5	&	10	&	Triton tholin	\\
	&	2	&	10	&	Titan tholin	\\
	&		&		&		\\
	&	35.5	&	10	&	Amorphous H$_2$O	\\
 (90482)	&	30	&	10	&	Crystalline H$_2$O	\\
Orcus	&	20.5	&	10	&	``Blue'' component	\\
Model 3	&	7	&	100	&	Ammonia hydrate	\\
$\chi^2$ = 137.56	&	5	&	10	&	Triton tholin	\\
	&	2	&	10	&	Titan tholin	\\
\hline
\end{tabular}\vspace{3mm}
\end{table}