The branch of applied physics that describes how objects move under gravity in orbit around a larger body, governing everything from a satellite's path around Earth to a probe's trajectory across the solar system. It rests on Kepler's laws of planetary motion and Newton's law of universal gravitation.
Facts
Concept Domain Formulated YearNewton's Principia Mathematica (1687) established the general laws of motion and gravitation the field rests on; Kepler's laws (1609) preceded it, and the field was formalized as a named discipline, astrodynamics, only in the 1930s under Samuel Herrick. No single founding year is cleaner than Newton's publication. Proposed ByJohannes Kepler and Isaac Newton 2 Kepler's laws of planetary motion (1609-1619) and Newton's law of universal gravitation (1687) together form the mathematical foundation of the field. Connections
Associated With
Source Wikipedia (space and spaceflight articles)
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Source Wikipedia (space and spaceflight articles)
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Source Encyclopedia Britannica: Space Exploration
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Orbital debris cascading is a hazard studied within orbital mechanics and spaceflight operations.
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Tsiolkovsky derived the rocket equation governing orbital and escape velocity, the founding result of orbital mechanics as applied to spaceflight.
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Additional Source Konstantin Tsiolkovsky (Wikipedia)Konstantin Tsiolkovsky, lead section
Source Wikipedia (space and spaceflight articles)
Source Wikipedia (space and spaceflight articles)
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Roche Limit, Concepts Tidal disruption distance is a standard orbital-mechanics calculation applied to rings and close moons.
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Sources
1. Wikipedia (space and spaceflight articles)
Wikimedia FoundationOrbital mechanics, History section
Johannes Kepler was the first to successfully model planetary orbits to a high degree of accuracy, publishing his laws in 1609.
- Associated With: Hohmann Transfer Orbit
- Associated With: Escape Velocity
- Associated With: Geostationary Orbit
- Associated With: Heliocentrism
- Associated With: Lagrange Points
- Associated With: Kessler Syndrome
- Associated With: Van Allen Radiation Belts
- Associated With: Tsiolkovsky Rocket Equation
- Associated With: Roche Limit
- Associated With: Sphere of Influence
- Associated With: Orbital Inclination
- Associated With: Orbital Eccentricity
- Associated With: Aerobraking
View the Source 2. Encyclopedia Britannica: Space Exploration
Konstantin Tsiolkovsky (Wikipedia)
Associated With: Konstantin Tsiolkovsky, Konstantin Tsiolkovsky, lead sectionView the Source Reader Challenges (0)
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