Advanced Routing Strategies for LEO and VLEO Constellations: Ensuring Polar Coverage. - Camilla Ottaviani; Alessandro Compagnoni; Juan A. Fraire; Giacomo Verardo; Gabriel Maiolini Capez; Daniel Gaetano Riviello; Gregory Stock 002; Carla-Fabiana Chiasserini; Roberto Garello (ASMS/SPSC, 2025)