def METHOD_NAME(self):
    self.scObject.ModelTag = "chief"
    self.I_sc = [900., 0., 0.,
                 0., 800., 0.,
                 0., 0., 600.]
    self.scObject.hub.mHub = 750.0  # kg - spacecraft mass
    self.scObject.hub.r_BcB_B = [[0.0], [0.0], [0.0]]  # m - position vector of body-fixed point B relative to CM
    self.scObject.hub.IHubPntBc_B = sp.np2EigenMatrix3d(self.I_sc)
    self.scObject2.ModelTag = "deputy"
    self.I_sc2 = [900., 0., 0.,
                  0., 800., 0.,
                  0., 0., 600.]
    self.scObject2.hub.mHub = 750.0  # kg - spacecraft mass
    self.scObject2.hub.r_BcB_B = [[0.0], [0.0], [0.0]]  # m - position vector of body-fixed point B relative to CM
    self.scObject2.hub.IHubPntBc_B = sp.np2EigenMatrix3d(self.I_sc2)