1228 
: ss dé ; 
exist, which is a consequence of the condition that DE for 
6 —0. This relation is: 
4M? Eerd BA 
ME 
GA. 7S 0A JAoFo 
Let a, and e, be the values of a and e belonging to 4 = 
pie > FP: . 
VM 4m! 
The relation becomes, with regard to the equation » = 
— | — I= 
(5) [4 147 
DP 
m > ae A(t eA) Sig Ten 0A, 
ae M de js Mie da eVa, de | €o 
13 
a2 
0 
! 
; ; ‚a 
From this equation the following value of — results: 
a 
a ! 
a’ y) m'\P 
——— nt = IE 
a, *\M 
0 
where «, is a function of e,; the value of @, is (¢)§ and thus: 
0 
/ 
a, = 0.825. 
To investigate the nature of this solution of the differential equations, 
the adjacent solutions are to be examined. Putting {== A, + dd, 
0 = dV and taking account of the first power of these quantities only, 
the differential equations become : 
ddA Oaks 0? R, 
JA, 
Ene Bae 
ds6 sO (R, +R) ‘Ro. 
Pi. eis Sle ns Pee aS \A, 
dt PEPE 
whence, by elimination of 04: 
PIO OR, +R.) 0’?R 
ee: Ue eon 
I have developed certain portions of the perturbative function 
— 06. 
numerically for the values e = 0.1048 and <= 0.8250634. The first 
a 
value is that which H. Srrvve *) has derived from observations, the 
1) Beobachtungen der Saturnstrabanten. Publications de l'Observatoire Central 
Nicolas. Série Il, Vol. XI, pg. 290 and 267, 
