**Table 2:** Rotation parameters between the ICRS and J2000.0.
Authors	Method of	$\epsilon _{x}$	$\epsilon _{y}$	$\gamma _{y}$	$\Delta o - \gamma_{y}$
	observation	(mas)	(mas)	(mas)	(mas)
Chapront et al. (2002)	LLR	$-5.36\pm0.54$	$17.70\pm 0.20$	$40.83 \pm 0.46$	$14.6 \pm 0.5$
Mathews et al. (2002)	VLBI	$-6.819\pm0.015$	$16.6171\pm0.0080$	$38.328\pm0.018$	-

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