



2r 



Parabola, h /V five ■ ■ ■ =Vz. 



five fin. s = . 



2r 



Hyperbola jLguilatera, d = - - , vel 



i\^=-=L=:, five Vi-hr^-^rftnz r 



five fin. s = - + — . 

 2r 1/2 



4:0 Qiiicnnque fuerit ipfius n valor, vel ut- 

 cunque incHnetur Linea nodorum ad radium ve9:o- 

 rem, a Satellite ad Solem duftum, erit generatim 

 orbita Solaris Parabolica, iivc ab Elliptica in Hf- 



perbolicam transibit, fi - — I i — = V^ 



r 



I — r* 

 (§. VII), fivejtn. z = — - — , dummodo, ut antca, 



zrjin.n 



Planum Satellitis (upponitur Orthogonium ad Pla- 



num Planetae primarii. 



H a 5:0 



