p7.py

Created by cghi72

Created on February 15, 2023

609 Bytes

geostationnaire:immobile dans referentiel terrestre en 
restant a la verticale du meme point dy globe
orbite circulaire
periode revu: 24h

exentricite: o cercle 
ff'/aa'

loi 1: dans le referenciel heliocentrique, la trajectoire
du centre d une planete est une ellipse
dont l un des foyers est le centre dy soleil

loi 2: le segement sp qui relie le centre soleil
au centre de la planete balaie des 
aires egales pendant une duree egale

(pdt delat t , sp balaie aire a1 et a2
or d1<d2 donc v1<v2) la vitesse devient plus grande quand la planete 
se rapproche soleil 

orbite circulaire
mvt uniforme

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