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# Title: [Philosophiae Naturalis Principia Mathematica] Philosophiæ Naturalis Principia Mathematica (shelfmark Leibn. Marg. 166)
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PHTLOSOPHISE NATORALIS
Satellitum Satarniorum tempora periodica.
1. 22. 19. 2. 270. 41. 4. 13. 47. 250, 22. 4.1. 79. 22.4.
Distantiae Satellitum a centro Saturni in semidiametris Annuli.
Ea observationibus
125. 22.
32.
8.
EX temporibus periodicis 2,95. 235. 33523 8309.
PHI A N O M F N O N III.
a 921
Planetas quinque primarios Mercurium, Venerem, Martem, Fo.
vem e Saturnum Orbibus suis Solem cingere.
Mercurium ee Venerem circa Solem revolvi ex eorum phalibus
lunaribus demonsratur. Plena Facie lucentes ultra Solem liti sunt,
dimidiata e regione Solis, falcata eis Solem; per discum ejus ad
modum macularum nonnunquam transeuntes. Ex Martis quoque
plena Facie prope Solis conjunctionem, se sibbosa in quadracuris,
cercum cA quod is solem ambit. DeJore etiam ex Sacurno idem
ex eorum phasibus semper plenis demonstratur.
P EI AE N OMF N O N IV.
planetarum quinque primariorum, e (v el Solis circa Terram vCt)
Terrae circa Solem tempora periodica esse in ratione sesquipli–
cata medioerium distantiarum a Sole.
FIaeC a Replero inventa ratio in confelso est apud omnes. L2-
dem utique sunt tempora periodica, caedemque orbium dimen-
liones, live Sol circa Terram, lire Terra circa Solem revolratur.
Ac de mentura quidem temporum periodicorum convenit inter
Astronomos univerlos. Magnicudines aurem Orbium Keplerus ec
Bullialdus omnium dilisencissime ex Obserrationibus decermina-
verunc: ec distantix mediocres, quae temporibus periodicis respon-
denc, non difterune sensibiliter a dictantiis quas illi invenerunt,
suncque incer iplas uc plucimum intermedix; uti in Tabula se
guence videre licet.
160
duia
DE NONDL
BYSPEMATF