Spacecraft Collision Probability
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Spacecraft Collision Probability
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Author : F. Kenneth Chan
language : en
Publisher:
Release Date : 2008
Spacecraft Collision Probability written by F. Kenneth Chan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Health & Fitness categories.
The amount of space debris is growing at an alarming rate, raising concern about its collision with operational spacecraft. This book analyzes the probability of such a collision when the orbits of two approaching objects are based on measurements with inherent errors. Many recent papers have dealt with the methodology of computing the collision probability in the encounter region, but they have assumed that the encounter is a flyby and is short-term, with the trajectories of the objects represented by straight lines. By contrast, Spacecraft Collision Probability, the outgrowth of the authors research during the past two decades, deals not only with those cases but also with important long-term cases in which objects spend protracted periods in the vicinity of each other. An extensive chapter is included on the International Space Station (ISS), to demonstrate how one would accurately gauge its probability of collision. The ISS is modeled according to its actual complex shape, component by componentenabling the detailed computation of a more realistic collision probability than one would obtain by the routine practice of modeling it as a sphere. In addition, the author developed Excel macros to obtain the numerical tables and graphical plots appearing in the book. That software is available on the Supporting Materials page of the AIAA Web site.
Launch Collision Probability
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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher: Independently Published
Release Date : 2018-09-15
Launch Collision Probability written by National Aeronautics and Space Adm Nasa and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-15 with Science categories.
This report analyzes the probability of a launch vehicle colliding with one of the nearly 10,000 tracked objects orbiting the Earth, given that an object on a near-collision course with the launch vehicle has been identified. Knowledge of the probability of collision throughout the launch window can be used to avoid launching at times when the probability of collision is unacceptably high. The analysis in this report assumes that the positions of the orbiting objects and the launch vehicle can be predicted as a function of time and therefore that any tracked object which comes close to the launch vehicle can be identified. The analysis further assumes that the position uncertainty of the launch vehicle and the approaching space object can be described with position covariance matrices. With these and some additional simplifying assumptions, a closed-form solution is developed using two approaches. The solution shows that the probability of collision is a function of position uncertainties, the size of the two potentially colliding objects, and the nominal separation distance at the point of closest approach. ne impact of the simplifying assumptions on the accuracy of the final result is assessed and the application of the results to the Cassini mission, launched in October 1997, is described. Other factors that affect the probability of collision are also discussed. Finally, the report offers alternative approaches that can be used to evaluate the probability of collision.Bollenbacher, Gary and Guptill, James D.Glenn Research CenterCASSINI MISSION; LAUNCH VEHICLES; SPACE EXPLORATION; LAUNCH WINDOWS; SPACECRAFT LAUNCHING; MISSION PLANNING; PROBABILITY THEORY; COLLISIONS; COLLISION AVOIDANCE; COVARIANCE; MATRICES (MATHEMATICS)
Orbital Data Applications For Space Objects
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Author : Lei Chen
language : en
Publisher: Springer
Release Date : 2016-12-01
Orbital Data Applications For Space Objects written by Lei Chen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-01 with Technology & Engineering categories.
This book introduces readers to the application of orbital data on space objects in the contexts of conjunction assessment and space situation analysis, including theories and methodologies. It addresses the main topics involved in space object conjunction assessment, such as: orbital error analysis of space objects; close approach analysis; the calculation, analysis and application of collision probability; and the comprehensive assessment of collision risk. In addition, selected topics on space situation analysis are also presented, including orbital anomaly and space event analysis, and so on. The book offers a valuable guide for researchers and engineers in the fields of astrodynamics, space telemetry, tracking and command (TT&C), space surveillance, space situational awareness, and space debris, as well as for graduates majoring in flight vehicle design and related fields.
Launch Collision Probability
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Author : Gary Bollenbacher
language : en
Publisher:
Release Date : 1999
Launch Collision Probability written by Gary Bollenbacher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Launch vehicles (Astronautics) categories.
Limiting Future Collision Risk To Spacecraft
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2011-11-16
Limiting Future Collision Risk To Spacecraft written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11-16 with Science categories.
Derelict satellites, equipment and other debris orbiting Earth (aka space junk) have been accumulating for many decades and could damage or even possibly destroy satellites and human spacecraft if they collide. During the past 50 years, various National Aeronautics and Space Administration (NASA) communities have contributed significantly to maturing meteoroid and orbital debris (MMOD) programs to their current state. Satellites have been redesigned to protect critical components from MMOD damage by moving critical components from exterior surfaces to deep inside a satellite's structure. Orbits are monitored and altered to minimize the risk of collision with tracked orbital debris. MMOD shielding added to the International Space Station (ISS) protects critical components and astronauts from potentially catastrophic damage that might result from smaller, untracked debris and meteoroid impacts. Limiting Future Collision Risk to Spacecraft: An Assessment of NASA's Meteoroid and Orbital Debris Program examines NASA's efforts to understand the meteoroid and orbital debris environment, identifies what NASA is and is not doing to mitigate the risks posed by this threat, and makes recommendations as to how they can improve their programs. While the report identified many positive aspects of NASA's MMOD programs and efforts including responsible use of resources, it recommends that the agency develop a formal strategic plan that provides the basis for prioritizing the allocation of funds and effort over various MMOD program needs. Other necessary steps include improvements in long-term modeling, better measurements, more regular updates of the debris environmental models, and other actions to better characterize the long-term evolution of the debris environment.
Spacecraft Collision Avoidance Technology
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Author : Zhang Rongzhi
language : en
Publisher: Academic Press
Release Date : 2020-03-03
Spacecraft Collision Avoidance Technology written by Zhang Rongzhi and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-03 with Technology & Engineering categories.
Spacecraft Collision Avoidance Technology presents the theory and practice of space collision avoidance. The title gives models of time and space environment, their impact on high-precision orbit prediction, considers optimal orbit determination methods and models in different warning stages, and establishes basic models for warning and avoidance. Chapters present an outline of spacecraft collision warning strategy, elaborate on the basics of orbital calculation for collision avoidance, consider space object detection technology, detail space environment and object orbit, give a method for spacecraft collision warning orbit calculation, and finally, demonstrate a strategy for spacecraft collision warning and avoidance. Presents strategies, methods and real-world examples relating to space collision avoidance Considers time and space environment models in orbit prediction Gives optimal orbit determination methods and models for various warning stages Establishes and elaborates basic models for warning and avoidance Takes note of the current space environment for object detection and collision avoidance
Space Debris
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Author : Walter Flury
language : en
Publisher:
Release Date : 2004
Space Debris written by Walter Flury and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Space debris categories.
Spacecraft Collision Avoidance Technology
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Author : Zhang Rongzhi
language : en
Publisher: Academic Press
Release Date : 2020-03-18
Spacecraft Collision Avoidance Technology written by Zhang Rongzhi and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-18 with Technology & Engineering categories.
Spacecraft Collision Avoidance Technology presents the theory and practice of space collision avoidance. The title gives models of time and space environment, their impact on high-precision orbit prediction, considers optimal orbit determination methods and models in different warning stages, and establishes basic models for warning and avoidance. Chapters present an outline of spacecraft collision warning strategy, elaborate on the basics of orbital calculation for collision avoidance, consider space object detection technology, detail space environment and object orbit, give a method for spacecraft collision warning orbit calculation, and finally, demonstrate a strategy for spacecraft collision warning and avoidance. Presents strategies, methods and real-world examples relating to space collision avoidance Considers time and space environment models in orbit prediction Gives optimal orbit determination methods and models for various warning stages Establishes and elaborates basic models for warning and avoidance Takes note of the current space environment for object detection and collision avoidance
Orbital Debris
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1995-07-07
Orbital Debris written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-07-07 with Science categories.
Since the beginning of space flight, the collision hazard in Earth orbit has increased as the number of artificial objects orbiting the Earth has grown. Spacecraft performing communications, navigation, scientific, and other missions now share Earth orbit with spent rocket bodies, nonfunctional spacecraft, fragments from spacecraft breakups, and other debris created as a byproduct of space operations. Orbital Debris examines the methods we can use to characterize orbital debris, estimates the magnitude of the debris population, and assesses the hazard that this population poses to spacecraft. Potential methods to protect spacecraft are explored. The report also takes a close look at the projected future growth in the debris population and evaluates approaches to reducing that growth. Orbital Debris offers clear recommendations for targeted research on the debris population, for methods to improve the protection of spacecraft, on methods to reduce the creation of debris in the future, and much more.
Artificial Space Debris
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Author : Nicholas L. Johnson
language : en
Publisher: Krieger Publishing Company
Release Date : 1987
Artificial Space Debris written by Nicholas L. Johnson and has been published by Krieger Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Nature categories.