2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/56831We study the planar problem of two satellites attracted by a center of force. Assuming that the center of mass of the two-satellite system is on a circular orbit around the center of force and using Levi-Civita regularization we prove the existence of an almost periodic orbit with an infinite number of collision between the satellites.Mathematical Physicstext