tricam h<.bcat iangnem , et coefficiens c cof. (N — /) 

 — V cof. ( Cp -f- n } latis magno adficiatur valore, 



§. 14. Pro errore in angulo X' cx variata incli- 

 natione orbitae conlequimur per §§. 5, 6: 



dVzz}^, fin. -y] [u' cof. \-cv fin. X= cof. 0) 

 -i^fin. A^fin. ^cof.7/, 



fi'bnitntis fcilicet pro d^ et ^A eorum valoribus 

 </ /' tang. A cof. ;/ et flfifin.-vj, hincque fiet: 



dM- ^' fin. » cof. A ~ ^-^y^^ . fin. (;; + d) 

 - ^ fin. 7J cof. A - ^T^ fin. A" fin. (7; + 0}. 

 Praeterea quum fit 



fin. >j cof. A — tang. 7 cof Acof -vi zr fin. (Cf) + n) cof. / , ob 



tang. ?7 = tang. (Cp -\- Y\) cof. i et 



col.Acof.;/ — cof.t(p + n]i 

 tumque 



fin. A' =: fin. (4^ -{- uy fin. i% 

 fict: 



iA'rr ^jifin.((|)H n)(cof i- ^Tin.^Cp-fn) fin. i' fin.^-vj+ei). 



Hincquc iternm concluditur obferuationcs pro detcrminan- 

 da inclinatione orbitae optimas efic , \bi (pH-nrrpo", 

 feu Jiititudo He!ioceutrica ipfi inchnationi orbitae acquatur. 



§. 15. Proccdamus nunc ad crrores angnlorunn 

 C', A'. ex variatione in anp,ulo n, feu elongationc Perihe- 

 lii a Nodo, deriuandos. Subftituto igitur §. 4, loco d^y 



