Table 1.

Precession and Eccentricity Frequencies in the Solar System

	BW1950	La2004	MD1999	1.1aJ
f1 (″/y)	−5.201	−5.590	−5.186	−4.351
f2 (″/y)	−6.571	−7.050	−6.556	−5.545
f3 (″/y)	−18.74	−18.85	−18.66	−17.09
f4 (″/y)	−17.63	−17.76	−17.59	−13.75
f5 (″/y)	0.000	0.000	0.000	0.000
f6 (″/y)	−25.73	−26.35	−25.98	−36.90
f7 (″/y)	−2.902	−2.992	−2.907	−3.149
f8 (″/y)	−0.678	−0.692	−0.679	−0.725
Mean f	−9.681	−9.910	−9.695	−10.19
g1 (″/y)	5.463	5.590	5.447	4.972
g2 (″/y)	7.344	7.452	7.325	5.962
g3 (″/y)	17.33	17.37	17.27	13.73
g4 (″/y)	18.00	17.92	17.95	16.07
g5 (″/y)	4.296	4.257	3.730	4.330
g6 (″/y)	27.77	28.25	22.50	32.83
g7 (″/y)	2.719	3.088	2.706	2.944
g8 (″/y)	0.633	0.673	0.634	0.677
Mean g	10.44	10.58	9.695	10.19

Column 1: From Brouwer and van Woerkom (1950). Column 2: From Laskar et al. (2004). Column 3: Simple Laplace-Lagrange approach following Murray and Dermott (1999). Column 4: Simple Laplace-Lagrange approach with Jupiter orbital radius increased by 10%.