Abstract Central Force Optimization (CFO) is a new deterministic multi-dimensional search
metaheuristic based on the metaphor of gravitational kinematics. It models" probes" that" fly" …

The near-Earth object (NEO) population includes both asteroids (NEAs) and comet nuclei
(NECs) whose orbits have perihelion distances q< 1.3 AU and which can approach or cross …

The target asteroid of the OSIRIS-REx asteroid sample return mission,(101955) Bennu
(formerly 1999 RQ 36), is a half-kilometer near-Earth asteroid with an extraordinarily well …

Determining orbits for natural and artificial celestial bodies is an essential step in the
exploration and understanding of the Solar System. However, recent progress in the quality …

This article reviews the different mechanisms affecting the orbits of trans-Neptunian objects,
ranging from internal perturbations (planetary scattering, mean-motion resonances, and …

We assess the risk of an Earth impact for asteroid (99942) Apophis by means of a statistical
analysis accounting for the uncertainty of both the orbital solution and the Yarkovsky effect …

The sleeper/ballast interface is an essential stage in the transfer of train loads from a railway
track structure into the ground. Generally, only a small number of ballast grains support the …

This work presents robust and numerically efficient algorithms for designing low-thrust
collision avoidance maneuvers in short-term encounters. The conjunction dynamics are …

Small bodies such as the near-Earth asteroid Bennu drift in their orbit due to thermal
radiation forces (the Yarkovsky effect). Ground-based observations have indicated a …

Orbit determination for Near-Earth Asteroids presents unique technical challenges due to
the imperative of early detection and careful assessment of the risk posed by specific Earth …