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	N-Body Simulation	Determinazione dell'orbita (Problema di Lambert)
Campo	Fisica applicata	Fisica applicata
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1687	1761
Ideatore	Isaac Newton	Johann Heinrich Lambert
Tipo	Computational simulation algorithm	Orbital computation algorithm
Fonte seminale	Poincaré, H. (1892). Les méthodes nouvelles de la mécanique céleste. Gauthier-Villars.	Lambert, J. H. (1761). Acta Helvetica. Physico-Mathematico-Anatomico-Botanico-Medica.
Alias	gravitational N-body problem, many-body simulation	Lambert's problem, Lambert-Godstein trajectory problem
Correlati	5	4
Sintesi	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.	Lambert's problem is a classical astrodynamics boundary-value problem that determines an orbit connecting two points in space given a transfer time. Formulated by Johann Heinrich Lambert in the 18th century, it is fundamental to trajectory design for interplanetary missions and spacecraft maneuvers. The solution provides the orbital elements and velocities needed to transition between two positions.