Astronomische Formeln

Back
Äquatorumfangr = Aequatorradius
U = 2 * Pi * r
m
Polumfanga = Aequatorradius
b = Polradius
l = (a - b) / (a + b) [Exzentrizität]
U = Pi * (a + b) * (1 + (3 * l2 / (10 + (sqrt(4 - 3 * l2)))))
m
Oberfläche
- Kugel
r = Aequatorradius
A = 4 * Pi * r2
m2
Oberfläche
- Ellipsoid
a = Aequatorradius
b = Polradius
e = abs(sqrt(a2 - b2))
A = 2 * Pi * a * (a + b2 / (2 * e) * log((a + e)/(a - e)))
m2
Volumena = Aequatorradius
b = Polradius
V = 4/3 * Pi * a2 * b
m3
Masserho = Dichte
V = Volumen
m = rho * V
kg