השוואת שיטות

	סימולציית N-גופים	סיוע כבידתי
תחום	פיזיקה יישומית	פיזיקה יישומית
משפחה	Process / pipeline	Process / pipeline
שנת המקור	1687	1961
הוגה השיטה	Isaac Newton	Michael Minovitch
סוג	Computational simulation algorithm	Orbital maneuver technique
מקור מכונן	Poincaré, H. (1892). Les méthodes nouvelles de la mécanique céleste. Gauthier-Villars.	Minovitch, M. A. (1961). The determination and characteristics of ballistic interplanetary trajectories under the influence of multiple planetary gravitational fields. Technical Report 32-464, Jet Propulsion Laboratory.
כינויים	gravitational N-body problem, many-body simulation	swing-by, gravitational slingshot
קשורות	5	4
תקציר	N-body simulation is a computational method for modeling the dynamics of a system of particles under mutual gravitational forces. Originating from Newton's laws of motion and gravitation, it solves the fundamental equations of celestial mechanics. This technique is essential for understanding planetary orbits, star cluster evolution, and cosmological structure formation.	A gravity assist (or swing-by) maneuver uses the gravitational field of a planet or other celestial body to alter a spacecraft's trajectory and velocity without expending fuel. Discovered by Michael Minovitch at JPL in 1961, this technique is crucial for reaching distant planets economically. It works by exploiting the relative motion between the spacecraft, the assisting body, and the Sun.