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???????? ?????: "?????? ????" ? news ? ???????? ? ???? ? scholar ? JSTOR ( 2007 ??????????? ) ( ??? ??????? ???? ????? ?????? ??????? )

Astrodynamics
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Orbital mechanics
Orbital elements Apsis Argument of periapsis Eccentricity Inclination Mean anomaly Orbital nodes Semi-major axis True anomaly
Types of two-body orbits by eccentricity Circular orbit Elliptic orbit Transfer orbit ( Hohmann transfer orbit Bi-elliptic transfer orbit ) Parabolic orbit Hyperbolic orbit Radial orbit Decaying orbit
Equations Dynamical friction ????? ???????? Kepler's equation Kepler's laws of planetary motion Orbital period ?????? ???? Surface gravity Specific orbital energy Vis-viva equation
Celestial mechanics
Gravitational influences Barycenter Hill sphere Perturbations Sphere of influence
N-body orbits Lagrangian points ( Halo orbits ) Lissajous orbits Lyapunov orbits
Engineering and efficiency
Preflight engineering Mass ratio Payload fraction Propellant mass fraction Tsiolkovsky rocket equation
Efficiency measures Gravity assist Oberth effect
v t e

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]}

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↑ Lissauer, Jack J.; de Pater, Imke (2019). Fundamental Planetary Sciences: physics, chemistry, and habitability . New York, NY, USA: ??????????? ??????????? ??????? . pp. 29?31. ISBN 9781108411981 .

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????????	Box Capture Circular Elliptical / Highly elliptical Escape Horseshoe Hyperbolic trajectory Inclined / Non-inclined Kepler Lagrange point Osculating Parabolic trajectory Parking Prograde / Retrograde Synchronous semi sub Transfer orbit
Geocentric	Geosynchronous Geostationary Geostationary transfer Graveyard High Earth Low Earth Medium Earth Molniya Near-equatorial Orbit of the Moon Polar Sun-synchronous Tundra
About other points	Mars Areocentric Areosynchronous Areostationary Lagrange points Distant retrograde Halo Lissajous Lunar Sun Heliocentric Earth's orbit Mars cycler Heliosynchronous Other Lunar cycler

Parameters

Shape Size	$e$ Eccentricity $a$ Semi-major axis $b$ Semi-minor axis $Q$ , $q$ Apsides
Orientation	$i$ Inclination $Ω$ Longitude of the ascending node $ω$ Argument of periapsis $?$ Longitude of the periapsis
Position	$M$ Mean anomaly $ν$ , $θ$ , $f$ True anomaly $E$ Eccentric anomaly $L$ Mean longitude $l$ True longitude
Variation	$T$ Orbital period $n$ Mean motion $v$ Orbital speed $t 0$ Epoch

Maneuvers

Orbital
mechanics

List of orbits