2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14874For a hypothetical planet on a highly eccentric orbit, we have calculated the osculating orbital parameters and its closest approaches to Earth and Moon over a period of 750 kyr. The approaches which are close enough to influence the climate of the Earth form a pattern comparable to that of the past climatic changes, as recorded in deep sea sediments and polar ice cores.8 pages, 5 figures, LaTeXAstrophysicstext