Orbit Design of a Lunar Navigation Satellite System: Enhanced Hybrid Frozen Constellation for Global Lunar PNT Service Jan 1, 2026· Jae Woong Hwang Minjae Kang Hojoon Jeong Jaeuk Park Changdon Kee · 0 min read Last updated on Jan 1, 2026 Authors Jae Woong Hwang M.S Authors Minjae Kang M.S Authors Hojoon Jeong Ph.D Authors Jaeuk Park Ph.D Authors Changdon Kee Professor Verification of Orbit and Clock Determination Algorithm for Regional Navigation Satellite System using Actual Measurements Jan 1, 2026 →