Orbital Mechanics and Astrodynamics for Engineers: Understand How Satellites and Spacecraft Move Through Space Using Solved Problems and Real Mission
A spacecraft path may look like a simple curve, yet every useful trajectory depends on reference frames, time systems, force models, maneuver choices, numerical accuracy, and navigation data. A result can be mathematically tidy and still fail if its assumptions, units, geometry, or operational constraints do not agree. This engineering text connects the governing physics to the calculations used to design, predict, and operate real missions.
The chapters progress from vectors and Newtonian gravitation through conic geometry, orbital elements, Kepler propagation, ground tracks, and visibility. That foundation then supports transfer design, plane changes, launch injection, Lambert targeting, rendezvous, perturbation analysis, numerical integration, orbit determination, and mission navigation.
Convert position and velocity states among reference frames and classical orbital elements.
Calculate conic motion, time of flight, ground coverage, and access intervals.
Design impulsive transfers, combined plane changes, ascent targets, and injection conditions.
Apply Lambert solutions, relative-motion models, rendezvous planning, and proximity constraints.
Model oblateness, drag, third-body gravity, solar radiation pressure, and propagation error.
Analyze interplanetary transfers, gravity assists, low-thrust arcs, cislunar motion, and trajectory operations.
Each major method is tied to its assumptions and engineering consequences. Worked calculations show how to select equations, maintain units, check geometry, and interpret the result. Orbit determination chapters connect measurements to estimation, covariance, observability, and navigation performance. Advanced chapters introduce gravity assists, continuous-thrust control, three-body dynamics, libration-point regions, correction planning, conjunction response, and integrated flight-dynamics operations.
Across eighteen chapters, the text provides more than fifty worked examples, at least 144 review problems with answers, eighteen topic-specific tables, and thirty-six labeled technical figures. Examples cover Earth-orbiting satellites, rendezvous vehicles, launch and transfer missions, interplanetary encounters, low-thrust spacecraft, and cislunar trajectories. The emphasis stays on calculations that can be audited and reused.
This text is intended for aerospace and mechanical engineering students, early-career flight-dynamics and mission-analysis engineers, educators seeking structured problems, and practicing engineers reviewing adjacent topics. Readers benefit from prior calculus, differential equations, vectors, and introductory mechanics, while the stepwise derivations and variable definitions provide a focused refresher.
Use it as a course-length introduction, a solved-problem companion, or a technical reference for preliminary mission analysis. Move from a state vector to a defensible trajectory, understand where simplified models succeed, and recognize when a mission requires higher-fidelity propagation, estimation, optimization, or operational judgment.
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