I 
229’ 
I 
*7? 
~ •*. 3 ben S 
ent x T x 
5^ L 
manente terra 
C 821 ] 
lit differentia femiaxium c z=z 
3<5o° = n"f ; et fi fuerit c = 
uniformiter denfa, erit ille motus = 1 5"- Hie erit 
motus nodorum annuus luns regreffivus in piano 
squatoris terreftris, qui redudus ad eclipticam, uti 
poftea docebitur, pro vario nodorum litu evadet 
multo velocior. 
Notabilis multo magis .erit motus interfedionis 
orbitarum fatellitum Jovis in piano squatoris Jovialis ; 
et computabitur Tatis accurate per formulam fupra 
traditam, modo fatelles non fit Jovi nimis vicinus. 
Sic pro fatellite extimo erit L = i6 d i6 h 32', b = 1, 
/ = 25,299 circiter, femiaxium Jovis differentia 
c = tj; et poll (a orbis hujus fatellitis inclinatione ad 
asquatorem Jovis squali 3°, erit n cofinus hujus in- 
clination^, atque inde prodibit x 5 - x 3^0°= 
circiter, motus fcilicet nodorum annuus fatellitis 
quarti in piano squatoris Jovis in antecedentia. Si 
minus vel magis inclinatur orbis ad Jovis squatorem, 
augeri vel minui debet hie motus in ratione cofinus 
hujus inclination^ 
Csterum patet motum hunc nodorum in piano 
asquatoris planets primarii, sftimando diftantiam fa- 
tellitis in femidiametris primarii, generatim effe, dato 
tempore, in ratione compofita, ex ratione direda dif- 
ferentiae femiaxium planets et cofinus inclinationis 
orbis fatellitis ad planets squatorem, conjundim ; 
et ex ratione inverfa temporis periodici fatellitis et 
quadrati diftantis fatellitis a centro planets, item 
conjundim.. 
PRO- 
