class object():
    def __init__(self, size, name, id, m, x, y, z, vx=0, vy=0, vz=0):
        global objects
        self.size = size
        self.id = id
        self.name = name
        self.m = m
        self.pos = [x * 149597900000, y * 149597900000, z * 149597900000]  # AU in m
        self.v = [vx * 1731460, vy * 1731460, vz * 1731460]  # AU/d in m/s

    def update(self):
        dt = 100
        a = gravitation(self)
        self.v[0] += dt * a[0]
        self.v[1] += dt * a[1]
        self.v[2] += dt * a[2]
        self.pos[0] += dt * self.v[0]
        self.pos[1] += dt * self.v[1]
        self.pos[2] += dt * self.v[2]