restrepo

#!/usr/bin/env python
#From arXiv:1107.5216
from __future__ import division
from visual import *

craft = sphere(pos = vector(10e7,0,0), color = color.white, radius = 1e6)
Earth = sphere(pos = vector(0,0,0), color = color.blue, radius = 6.3e6)
trail = curve(color = craft.color)

G = 6.67e-11