See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/256935184 Post-disposal orbital evolution of satellites and upper stages used by the GPS and GLONASS navigation constellations: The long-term impact on the Medium Earth Orbit environment ARTICLE in ACTA ASTRONAUTICA · AUGUST 2012 Impact Factor: 1.12 · DOI: 10.1016/j.actaastro.2012.03.024 CITATIONS 5 READS 120 2 AUTHORS: C. Pardini Italian National Research Council 85 PUBLICATIONS 485 CITATIONS SEE PROFILE Luciano Anselmo Italian National Research Council 110 PUBLICATIONS 644 CITATIONS SEE PROFILE All in-text references underlined in blue are linked to publications on ResearchGate, letting you access and read them immediately. Available from: Luciano Anselmo Retrieved on: 04 February 2016