Depherent

Planetenkreis

Erde

Apollonius' Epizykeltheorie

Bahn

Die scheinbare 
Planetenbahn ist
eine Epizykloide.

Ha 2011

faktor = 5 (slider from 0 to 12, step 0.1)
r_D = 3 (slider from 1 to 10, step 0.1)
Erde = (2.601074238843838, 3.575206490437576)
c = Circle(Erde, r_D)
Q = Point(c)
E = Point(c)
ε = Angle(E, Erde, Q)
r_e = 1 (slider from 1 to 5, step 0.1)
α_1 = 3.1415926535882432 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
D = Rotate(Q, α_1, Erde)
d = Circle(D, r_e)
A = Point(d)
β: (faktor * ε)
Planet = Rotate(A, β, D)
γ = Angle(A, D, Planet)
h = true
p = true
b = true
A' = Rotate(A, β, D)
δ = Angle(A, D, A')
Ortslinie1 = Locus(Planet, Q)
a = true