Orbital evolution of the bright dwarfs of the VPOS integrated backwards in time for 10 Gyr, assuming an evolving MW potential and taking into account the effects of dynamical friction, with the satellites assumed to have an individual total mass of M_S = 5  ×  10⁹ M_⊙ (top panel) or M_S = 5  ×  10¹⁰ M_⊙ (bottom panel). The black solid line represents the evolution of the virial radius of the MW.