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Astrodynamics. --- Artificial satellites --- Astrodynamique --- Satellites artificiels --- Orbits. --- Orbites --- Astrodynamics --- Orbits --- Artificial satellites - Orbits
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This book presents fundmentals of orbit determination--from weighted least squares approaches (Gauss) to today's high-speed computer algorithms that provide accuracy within a few centimeters. Numerous examples and problems are provided to enhance readers' understanding of the material.*Covers such topics as coordinate and time systems, square root filters, process noise techniques, and the use of fictitious parameters for absorbing un-modeled and incorrectly modeled forces acting on a satellite. *Examples and exercises serve to illustrate the principles throughout each chapter.
Orbital mechanics. --- Artificial satellites --- Space trajectories. --- Orbits --- Mathematical models. --- Space vehicles --- Astrodynamics --- Space flight --- Trajectories (Mechanics) --- Earth satellites --- Orbiting vehicles --- Satellite vehicles --- Satellites, Artificial --- Anti-satellite weapons --- Mechanics --- Trajectories --- Artificial satellites - Orbits - Mathematical models.
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Orbital mechanics --- Artificial satellites --- Orbits --- 521.1 --- -Orbital mechanics --- Astrodynamics --- Mechanics --- Earth satellites --- Orbiting vehicles --- Satellite vehicles --- Satellites, Artificial --- Space vehicles --- Anti-satellite weapons --- Celestial mechanics. General principles of dynamical astronomy --- Orbital mechanics. --- Orbits. --- 521.1 Celestial mechanics. General principles of dynamical astronomy --- Artificial satellites - Orbits --- ARTIFICIAL SATELLITES --- DYNAMICS
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This is a modern textbook that guides the reader through the theory and practice of satellite orbit prediction and determination. Starting from the basic principles of orbital mechanics, it covers elaborate force models as well as precise methods of satellite tracking. Emphasis is on numerical treatment and a multitude of algorithms adopted in modern satellite trajectory computation are described in detail. The accompanying CD-ROM includes all source codes written in C++ and relevant data files for applications. The result is a powerful and unique spaceflight dynamics library which allows easy software extensions by the user. An extensive collection of Internet resources is provided through WWW hyperlinks to detailed and frequently updated online information on spaceflight dynamics. The book addresses students, scientists working in the field of navigation, geodesy and spaceflight technology and satellite engineers and operators focusing on spaceflight dynamics.
Astrophysics --- Celestial mechanics --- satellieten --- astrofysica --- Geodesy. Cartography --- Artificial satellites --- Orbits. --- Orbits --- Astronomy. --- Physical geography. --- Astrophysics. --- Popular Science in Astronomy. --- Astronomy, Astrophysics and Cosmology. --- Astrophysics and Astroparticles. --- Astronomy, Observations and Techniques. --- Geophysics/Geodesy. --- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics). --- Astronomical physics --- Astronomy --- Cosmic physics --- Physics --- Geography --- Observations, Astronomical. --- Astronomy—Observations. --- Geophysics. --- Space sciences. --- Science and space --- Space research --- Cosmology --- Science --- Geological physics --- Terrestrial physics --- Earth sciences --- Astronomical observations --- Observations, Astronomical --- Artificial satellites - Orbits --- Satellites artificiels --- Orbites
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The Earth's atmosphere is often portrayed as a thin and finite blanket covering our planet, separate from the emptiness of outer space. In reality, the transition is gradual and a tiny fraction of the atmophere gases is still present at the altitude of low orbiting satellites. The very high velocities of these satellites ensure that their orbital motion can still be considerably affected by air density and wind. This influence can be measured using accelerometers and satellite tracking techniques. The opening chapters of this thesis provide an excellent introduction to the various disciplines that are involved in the interpretation of these observations: orbital mechanics, satellite aerodynamics and upper atmospheric physics. A subsequent chapter, at the heart of this work, covers advances in the algorithms used for processing satellite accelerometry and Two-Line Element (TLE) orbit data. The closing chapters provide an elaborate analysis of the resulting density and wind products, which are generating many opportunities for further research, to improve the modelling and understanding of the thermosphere system and its interactions with the lower atmosphere, the ionosphere-magnetosphere system and the Sun.
Artificial satellites -- Dynamics. --- Artificial satellites -- Orbits. --- Astronautics. --- Geography. --- Satellites. --- Thermospheric winds. --- Artificial satellites --- Thermospheric winds --- Satellites --- Mechanical Engineering --- Earth & Environmental Sciences --- Engineering & Applied Sciences --- Meteorology & Climatology --- Aeronautics Engineering & Astronautics --- Dynamics --- Orbits --- Thermosphere. --- Moons --- Natural satellites --- Planetary satellites --- Planets --- Thermosphere --- Winds --- Earth sciences. --- Atmospheric sciences. --- Fluids. --- Aerospace engineering. --- Earth Sciences. --- Atmospheric Sciences. --- Aerospace Technology and Astronautics. --- Fluid- and Aerodynamics. --- Atmosphere, Upper --- Upper atmosphere --- Space sciences --- Aeronautics --- Astrodynamics --- Space flight --- Space vehicles --- Hydraulics --- Mechanics --- Physics --- Hydrostatics --- Permeability --- Aeronautical engineering --- Astronautics --- Engineering --- Atmospheric sciences --- Earth sciences --- Atmosphere
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In the summer of 2000 the German geo-research satellite CHAMP was launched into orbit. Its innovative payload arrangement and the low initial orbit allow CHAMP to simultaneously collect and almost continuously analyse precise data relating to gravity and magnetic fields at low altitude. In addition, CHAMP also measures the neutral atmosphere and ionosphere using GPS techniques. Three years after launch, more than 200 CHAMP investigators and co-investigators from all over the world met at the GeoForschungsZentrum in Potsdam to present and discuss the results derived from the extensive data sets of the mission. The main outcome of this expert meeting is summarized in this volume. The book offers a comprehensive insight into the present status of the exploitation of CHAMP data for Earth system research and practical applications in geodesy, geophysics and meteorology.
Gravitational fields --- Magnetic fields --- Ionosphere --- Artificial satellites --- Satellite geodesy. --- Measurement --- Orbits --- CHAMP (Artificial satellite) --- Artificial satellites in geodesy --- Geodesy --- Geodetic satellites --- Earth satellites --- Orbiting vehicles --- Satellite vehicles --- Satellites, Artificial --- Space vehicles --- Anti-satellite weapons --- Fields, Magnetic --- Field theory (Physics) --- Geomagnetism --- Magnetics --- Fields, Gravitational --- Gravitation --- Gravity --- Physical geography. --- Astrophysics. --- Geographical information systems. --- Geophysics/Geodesy. --- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics). --- Geographical Information Systems/Cartography. --- Geographical information systems --- GIS (Information systems) --- Information storage and retrieval systems --- Astronomical physics --- Astronomy --- Cosmic physics --- Physics --- Geography --- Geophysics. --- Space sciences. --- Science and space --- Space research --- Cosmology --- Science --- Geological physics --- Terrestrial physics --- Earth sciences --- Gravitational fields - Measurement - Congresses. --- Magnetic fields - Measurement - Congresses. --- Ionosphere - Congresses. --- Artificial satellites - Orbits - Congresses.
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