Rotational Stalling and Structural Escape in Small Bodies

Rotational states of physical bodies often correspond to stable dynamical configurations determined by structural constraints, mass distribution, and environmental interactions. Under certain conditions, however, rotational systems may enter configurations in which restoring responses are insufficient to return the body to a prior stability basin. When angular momentum approaches very small values, the stabilizing influence of rotation weakens and the system may temporarily stall in a configuration lacking the torque required for spontaneous recovery. This paper examines such stalled rotational states using the example of small astronomical bodies. A simple mechanical analogy is provided by an overturned turtle: once the center of mass occupies a configuration where gravitational torque cannot restore upright orientation, the system remains trapped until an external perturbation alters the configuration. In small bodies, localized processes such as asymmetric outgassing jets can provide the torque required to move the system across a stability threshold and into a new admissible rotational configuration. The analysis highlights how rotational reversals and rapid reorientations observed in comets and small bodies may arise naturally from perturbation-driven transitions between structural stability basins rather than from simple force-driven acceleration. Rotational stalling therefore represents a natural consequence of structural dynamics when angular momentum becomes sufficiently small.