lo

4. R.larivislic p.nub.rions (Lsrnd. & Chlpronl-Tou?J 1982).
5- Penurb.tuG du. to tidd afccis (villim3.t. a! l97E).
6. Molion of the efccnce frde conside&d wilh spect to m in€rrigl fime of
consideradon ol all lhese pelturbarioB esuhs inlo rime series fomlla for geocentric
longitude, IatiMe .rd disra@ of 0E M@n at nds $e numh.r of lcm !o 15:37.
An al€natc ro this ther€icrl appro&h is !o rcpr€*nl1hc coordinai.s explicilly
6 tinc ledes fomule. This epEs.rolion of tlie tinc sed€s is dcrloped by Chap6n!
Touzi ind Chapront (Chapront-Touu & Chaprcnq l9tl, pp. l0) und ha bcc. !*d in
fiis work. The mjor fomula used in rhh vork due !o $es authob de lkrcd beloNl
Tbe ge@entric longitude
'/h.xpesed
as:
'/=218.31665416+48126?.8813424'r-0,00011268'r:
+0.000001856tr'
0.0000000r534.r1+,5. +(s; +/ 1si +r' xsi/1oo0o)/l0oo
(2.2.t)
wh€rc
I = h in iulian centuies sinceJ2000.0
s, =tv,sr,(dj') +d|),,+ao *r' xro I +ao)'/r xr0' +d|,.rr xro r)
I = )':st(o;'' -a:"' '4
(2.2.21
(2 2.r\
si = tv;,s,,(d;,o + dnD.r) (2.2 4)