et coefficientes c [i) e coeiTicientibus b {i) ope huius formulaej' 



,, __ (: i + i)(i -f- a -) b [i) — a(a j-f- ])ab'" 



i) 

 (1 — a-a) 2 



Differentialia denique ita capta , ut nonnifi litera a varia- 

 bilis ftatuatur, ope fequentium formularum eruantur: 



aflfl _ i -f-fi-f- 1 ) a 2 bU -) _ ( t-4-i ) b (f+'i) ? et 

 ^ a a ( 1 — a 2 ) 1 — a 2 



ddb (i) _ i-h(i-{-i)a 2 /db 2] \ (i-4-i)a 4 ^ (4 i+i)a 2 -t -> n 

 da 2 a(i — a 2 ) \da/ a 2 (i — aa) 2 



— ^*- 1 (1^11) — a(ai-f-i)a b „- + I)# 

 1 — a 2 V 3 a / (1 — a a) 2 



3 b (z) d 9 b {i) 

 Vnde patet, omnes coefficientes b [l) , c [1) , , , ope 



da da 2 

 binarum ferierum S, T, reperiri. 



J. 3. Denominationibus his adhibitis, omnes aequa- 

 tiones motum Martis turbatum defmientes ita exprimentur : 

 1.) Motus annuus nodorum refpeclu fixarum , 

 A—.lmaad 1 [ i p^cotil-l / )-i] — %[ i ^coUl-l / )-i-\- 



2.) Motus annuus apfidum refpe&u fixarum, 



T,- N (i) n Y r 7.(1) ^^\ ^db 11 ^ 



B~^maac [1) -hj .^-ma[2b {1) —2a[ ) — aa[ -— — - - ]x 



x cof (tt — O = 51 -t- §3 cof (tt — tt 7 ) ; 



3.) Variatio annua inclinationis, Cr-+-2itang^ / fin(I— I 7 ); 

 4.) Variatio annua eccentricitatis, Dr-4-23yfin(-T— 7/); 

 5.) Aequatio ab eccentricitate independens radii veUoris 



