Session P5: Lunar Timekeeping and Navigation

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Date: Thursday, January 29, 2026
Time: 1:45 p.m. - 4:15 p.m.
Location: Royal Ballroom AB
In-Person presenters in this session provide pre-recorded presentations for viewing by registered attendees on Tuesday, January 28.

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In-Person Presentations These presentations will be given in-person at the conference. Presenters will provide a pre-recorded presentation for on-demand viewing by virtual attendees.
1:50	A Study of Lunar Coordinated Time   Todd Ely, Eric Burt, Slava G. Turyshev, Jet Propulsion Laboratory, California Institute of Technology; Erica Jenson, General Atomics
2:12	Relativistic Framework for Disseminating Lunar Time for the Intuitive Machines LCRNS PNT Constellation     Jason M. Leonard, KinetX Aerospace; Shaun M. Stewart, David E. Gaylor, Intuitive Machines
2:35	Ground-to-Space Time Transfer for Lunar Navigation: Comparing Synchronous and Asynchronous Methods in ESA’s Moonlight System     Luciano Iess, Giovanni Boscagli and Mauro Di Benedetto, Sapienza University of Rome
2:58	LNSS Onboard Ephemeris-Aided Kalman Filter for Clock Synchronization in Low Visibility Conditions   Seunghyeon Park, Jiwon Seo, Yonsei University
3:25	Onboard Clock Modeling for Time Distribution at the Moon   Mark Hartigan, E. Glenn Lightsey, Georgia Institute of Technology; Shaun Stewart, Intuitive Machines
3:48	Opportunistic Use of Communication Architectures to Augment Orbital PNT Systems for Lunar Surface Navigation     Evan Anzalone, NASA/Marshall Space Flight Center; Richard Reinhart, Karl Vaden, NASA/Glenn Research Center; Cheryl Gramling, Juan Crenshaw, NASA/Goddard Space Flight Center; Ted Kenny, Brian Lewis, Jacob Sullivan, NASA/Johnson Space Center; Louis Nicoli, NASA/Kennedy Space Center; Paul Lane, KBR

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