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Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical concerning the motion of rockets, satellites, and other spacecraft. The motion of these objects is usually calculated from Newton's laws of motion and the law of universal gravitation .
Roger A. Broucke (March 25, 1932 – June 21, 2005) was an aerospace engineer known for his solutions to the three-body problem. After working on practical orbital mechanics at the Jet Propulsion Laboratory , he became a professor at the University of Texas at Austin .
In astrodynamics, the characteristic energy is a measure of the excess specific energy over that required to just barely escape from a massive body. The units are length 2 time −2, i.e. velocity squared, or energy per mass.
In astrodynamics a gravity assist maneuver, gravitational slingshot or swing-by is the use of the relative movement and gravity of a planet or other celestial body to alter the trajectory of a spacecraft, typically in order to save propellant, time, and expense.
Orbital Mechanics for Engineering Students is an aerospace engineering textbook by Howard D. Curtis, in its fourth edition as of 2019. [1] The book provides an introduction to orbital mechanics , while assuming an undergraduate-level background in physics, rigid body dynamics , differential equations , and linear algebra .
Its research program emphasizes astrodynamics, satellite meteorology, oceanography, geodesy, and terrestrial vegetation studies. CCAR was founded by professor George Born who served as Director for 28 years and Director Emeritus until his death in 2016.
Astrodynamics is the term used to describe the application of Newtonian mechanics to human-made objects in space, such as rockets and spacecraft. It is a subfield of celestial mechanics and ballistics .
{{Astrodynamics |expanded=listname}} or, if enabled, {{Astrodynamics |listname}} …where listname is one of the following (do not include any quotemarks): Orbital elements, Types of two-body orbits by eccentricity, Equations, Gravitational influences, N-body orbits, Preflight engineering, Efficiency measures