1473-1543 1749-1827 520 521 531 620 analytic artificialsatellites astrometry astronomy astrophysics astrophysicsandastroparticles basic(computerprogramlanguage) bifurcationtheory biography chaoticbehaviorinsystems congresses controlsystems copernicus cosmology dataprocessing differentiabledynamicalsystems dynamicalsystemsandcomplexity earlyworksto1800 engineering ephemerides exploration extraterrestrialphysics flugmechanik france galacticdynamics generalrelativity(physics) geodesy geodynamics gravitation gravityassist(astrodynamics) heliosphere(astrophysics) hemelmechanica himmelsmechanik history interferometry laplace manifolds(mathematics) many-bodyproblem mathematicalmethodsinphysics mathematicalphysics mathematicians mathematics measurement mechanics mecánicaceleste methodology microcomputers mécaniqueanalytique mécaniquecéleste nakedsingularities(cosmology) nicolaus nonlinearoscillations nonlineartheories numerischesverfahren orbitalmechanics orbitdetermination orbits philosophy physicists physics pierresimon planetarytheory planets popularworks raumflugkörper research satellites sci005000 science scientists spaceflight spacescience spacesciences spacesofconstantcurvature spacevehicles statisticalphysics studyandteaching(higher) three-bodyproblem two-bodyproblem verylongbaselineinterferometry