About this book:

This book provides a comprehensive technical guide to advanced interplanetary trajectory design, moving beyond basic Hohmann transfers to explore the complex dynamics of modern space mission planning. It begins with a rigorous foundation in orbital mechanics, the Lambert problem, and the patched-conic approximation, establishing the mathematical framework necessary to model transfers between planetary spheres of influence. The text details essential visualization and analysis tools, such as porkchop plots for launch window identification and Tisserand’s criterion for assessing gravity-assist feasibility, while emphasizing the critical role of $V_{\infty}$ matching in multi-planet tours.

The middle chapters transition into sophisticated propulsion and optimization methodologies, contrasting high-thrust impulsive maneuvers with the continuous, low-thrust spirals of electric propulsion. The author provides an in-depth treatment of optimal control theory, comparing indirect methods like primer vector theory with robust direct transcription and collocation techniques. These chapters explain how mission designers use these algorithms to solve large-scale nonlinear programming problems, allowing for the inclusion of complex constraints such as power limitations, thermal management, and planetary shadowing.

As the focus shifts to mission execution, the book explores specialized pathways, including non-Keplerian trajectories near Lagrange points and the delicate dynamics of small-body rendezvous. Detailed attention is given to the final stages of a mission—planetary arrival and capture—evaluating the trade-offs between propulsive burns, aerobraking, and aerocapture. The text also addresses the vital role of navigation and orbit determination, using covariance analysis to ensure trajectories remain robust under the inherent uncertainties of the space environment.

The final section bridges the gap between theory and professional practice by reviewing industry-standard software tools like GMAT, MONTE, and STK, as well as the emerging ecosystem of open-source Python libraries. Through end-to-end case studies and worked examples, the book demonstrates how to synthesize these diverse techniques into coherent mission architectures. It serves as a practical manual for graduate students and aerospace engineers aiming to design efficient, resilient, and scientifically ambitious voyages across the solar system.

What You'll Find Inside:

• Master advanced orbital mechanics techniques like the Lambert problem and porkchop plots for efficient interplanetary transfers and launch window analysis.
• Learn to leverage gravity assists, Tisserand’s Criterion, and multi-gravity-assist architectures to drastically reduce propellant needs and enable complex, multi-planet tours.
• Explore the unique challenges and opportunities of low-thrust propulsion, including spiral escapes, continuous thrust optimization, and the trade-offs between fuel efficiency and mission duration.
• Delve into optimal control theory, including primer vector theory and modern direct methods like collocation and multiple shooting, to design fuel-optimal and time-optimal trajectories under complex constraints.
• Understand robust mission design principles, sensitivity analysis, and navigation techniques crucial for planetary arrival (capture, aerobraking, aerocapture) and small-body rendezvous, accounting for real-world uncertainties.

Who's It For:

This book is for graduate students, researchers, and practicing mission planners with a foundational understanding of orbital mechanics. It will benefit those who need to design and analyze advanced interplanetary trajectories, optimize complex maneuvers, and understand the trade-offs inherent in modern space mission architecture beyond basic Hohmann transfers.