Orbit Design of a Lunar Navigation Satellite System: Enhanced Hybrid Frozen Constellation for Global Lunar PNT ServiceJan 1, 2026·Jae Woong HwangMinjae KangHojoon JeongJaeuk ParkChangdon Kee· 0 min readLast updated on Jan 1, 2026 AuthorsJae Woong HwangM.SAuthorsMinjae KangM.SAuthorsHojoon JeongPh.DAuthorsJaeuk ParkPh.DAuthorsChangdon KeeProfessor EmeritusVerification of Orbit and Clock Determination Algorithm for Regional Navigation Satellite System using Actual Measurements Jan 1, 2026 →