patched-conic

См. также в других словарях:

• Patched Conics — The method of patched conics is a means of generating interplanetary trajectories for spacecraft by patching together the conic section trajectories for each sphere of influence.For example: On an Earth to Mars transfer, a hyperbolic trajectory… …   Wikipedia

• Orbital mechanics — A satellite orbiting the earth has a tangential velocity and an inward acceleration. Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other… …   Wikipedia

• Sphere of influence (astrodynamics) — A sphere of influence (SOI) in astrodynamics and astronomy is the spherical region around a celestial body where the primary gravitational influence on an orbiting object is that body. This is usually used to describe the areas in our solar… …   Wikipedia

• Trans Lunar Injection — Typical lunar transfer trajectories approximate Hohmann transfers, although low energy transfers have also been used in some cases, as with the Hiten probe. [cite web |url=http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1990 007A… …   Wikipedia

• Celestial mechanics — is the branch of astrophysics that deals with the motions of celestial objects. The field applies principles of physics, historically classical mechanics, to astronomical objects such as stars and planets to produce ephemeris data. Orbital… …   Wikipedia

• Starmad — Infobox Software | name = STARMAD developer = [http://www.star n1.net Star n1 engineering] latest release version = 1.0.0 latest release date = January 1, 2008 operating system = Windows genre = Technical computing license = Proprietary website …   Wikipedia

• Bézier curve — Cubic Bézier curve A Bézier curve is a parametric curve frequently used in computer graphics and related fields. Generalizations of Bézier curves to higher dimensions are called Bézier surfaces, of which the Bézier triangle is a special case. In… …   Wikipedia

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium