Table 3: Masses of perturbing minor planets.

Asteroid	Mass
	in
(1) Ceres	4.76	adopted
(2) Pallas	1.08	adopted
(4) Vesta	1.35	adopted
(10) Hygiea	0.47	Scholl et al. (1987)
(11) Parthenope	0.0256	Viateau
		& Rapaport (2001)
(16) Psyche	0.34	Kuzmanoski
		& Kovacevic (2002)
(52) Europa	0.011	(IRAS)
(511) Davida	0.014	(IRAS)
(704) Interamnia	0.013	(IRAS)