Commit 1f121b88 authored by Wouter Kessels's avatar Wouter Kessels
parents b0ea9c50 e41a7896
......@@ -303,4 +303,27 @@ def rot_z(r, theta):
y_r = r[0]*np.sin(theta) + r[1]*np.cos(theta)
z_r = r[2]
r = [x_r, y_r, z_r]
return r
\ No newline at end of file
return r
def orbital_period_kepler(semi_major_axis,G,M):
Function to calculate orbital period using Kepler's Third Law.
semi_major_axis : float
Orbit's semi-major axis
G : float
Gravitational constant
M : float
Mass of the more massive body
T : float
Orbital period
T = 2*np.pi*np.sqrt(semi_major_axis**3/(G * M))
return T
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