arXiv:2610.41612v1 Announce Type: new Abstract: Liquid crystal (LC)-based dynamic metasurface antennas (DMAs) offer a power-efficient, low-cost, and scalable solution for low Earth orbit (LEO) satellite communications where large apertures are needed to compensate for large path loss in the Earth-satellite link. However, beam tracking with LC-DMAs is governed by two coupled dynamics: the required time-varying beam direction caused by user and satellite mobility, and the finite response time of the LC phase shifters. This raises the question of whether LC-DMAs can reconfigure sufficiently fast to support high-mobility LEO satellite links. To address this problem, we develop a dynamic-aware beam-tracking framework that explicitly accounts for both dynamics. In particular, we formulate an optimization problem to maximize the cumulative received signal-to-noise ratio (SNR) over a predictive tracking horizon subject to the physical dynamics of the LC unit cells as well as transmit power constraints. To solve this non-convex problem efficiently, we develop an alternating optimization framework combining a closed-form maximum ratio transmission (MRT) digital precoder and maximum ratio combining (MRC) with a parallel, closed-form dynamic-aware phase-shift update. Simulation results show that when the time response of LC-DMAs is properly accounted for, it can support practical mobility scenarios. Moreover, the proposed dynamic-aware algorithm maintains stable SNR and outperforms conventional designs, particularly at high vehicle velocities and low orbital azimuth angles.