ntTechnology, science, space exploration, militaryමෙම ලිපියAstrodynamicsපිළිබඳ ලිපි මාලාවක කොටසකිOrbital mechanicsOrbital elementsApsisArgument of periapsisEccentricityInclinationMean anomalyOrbital nodesSemi-major axisTrue anomalyTypes of two-body orbits by eccentricityCircular orbitElliptic orbitTransfer orbit (Hohmann transfer orbitBi-elliptic transfer orbit)Parabolic orbitHyperbolic orbitRadial orbitDecaying orbitEquationsDynamical frictionවියෝග ප්‍රවේගයKepler's equationKepler's laws of planetary motionOrbital periodකක්ෂීය වේගයSurface gravitySpecific orbital energyVis-viva equationCelestial mechanicsGravitational influencesBarycenterHill spherePerturbationsSphere of influenceN-body orbitsLagrangian points (Halo orbits)Lissajous orbitsLyapunov orbitsEngineering and efficiencyPreflight engineeringMass ratioPayload fractionPropellant mass fractionTsiolkovsky rocket equationEfficiency measuresGravity assistOberth effectvteගගන ඉංජින