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Author : Gary Bollenbacher
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (317 download)
Download or read book Launch Collision Probability written by Gary Bollenbacher and published by . This book was released on 1999 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720609995
Total Pages : 36 pages
Book Rating : 4.6/5 (99 download)
Download or read book Launch Collision Probability written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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)
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309219744
Total Pages : 178 pages
Book Rating : 4.3/5 (92 download)
Download or read book Limiting Future Collision Risk to Spacecraft written by National Research Council and published by National Academies Press. This book was released on 2011-12-16 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : F. Kenneth Chan
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.F/5 ( download)
Download or read book Spacecraft Collision Probability written by F. Kenneth Chan and published by . This book was released on 2008 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309219779
Total Pages : 178 pages
Book Rating : 4.3/5 (92 download)
Download or read book Limiting Future Collision Risk to Spacecraft written by National Research Council and published by National Academies Press. This book was released on 2011-11-16 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author :
Publisher : DIANE Publishing
ISBN 13 : 1428918248
Total Pages : 203 pages
Book Rating : 4.4/5 (289 download)
Download or read book Research & Technology 1998 written by and published by DIANE Publishing. This book was released on with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309051258
Total Pages : 225 pages
Book Rating : 4.3/5 (9 download)
Download or read book Orbital Debris written by National Research Council and published by National Academies Press. This book was released on 1995-07-07 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Michael R. Phillips
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (896 download)
Download or read book Spacecraft Collision Probability Estimation for Rendezvous and Proximity Operations written by Michael R. Phillips and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309059887
Total Pages : 70 pages
Book Rating : 4.3/5 (9 download)
Download or read book Protecting the Space Shuttle from Meteoroids and Orbital Debris written by National Research Council and published by National Academies Press. This book was released on 1998-01-09 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The space shuttle orbiter has already been struck many times by small meteoroids and orbital debris, but it has not been damaged severely. There is a real risk, however, that a meteoroid or debris impact could one day force the crew to abort a mission or might result in loss of life or loss of the shuttle itself. Protecting the Space Shuttle from Meteoroids and Orbital Debris assesses the magnitude of the problem and suggests changes that the National Aeronautics and Space Administration can make to reduce the risk to the shuttle and its crew. December
Author : Heiner Klinkrad
Publisher : Springer Science & Business Media
ISBN 13 : 3540376747
Total Pages : 438 pages
Book Rating : 4.5/5 (43 download)
Download or read book Space Debris written by Heiner Klinkrad and published by Springer Science & Business Media. This book was released on 2006-09-01 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: The future evolution of the debris environment will be forecast on the basis of traffic models and possible hazard mitigation practices. The text shows how large trackable objects will have re-entry pinpointed and predictions made on related risk assessment for possible ground impact. Models will also be described for meteoroids which are also a prevailing risk.
Author : Tommaso Sgobba
Publisher : Springer
ISBN 13 : 3319159828
Total Pages : 610 pages
Book Rating : 4.3/5 (191 download)
Download or read book Space Safety is No Accident written by Tommaso Sgobba and published by Springer. This book was released on 2015-06-04 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes the proceedings from the 7th IAASS Conference, "Space Safety is No Accident," held in Friedrichshafen, Germany, in October 2014. The 7th IAASS Conference, “Space Safety is No Accident” is an invitation to reflect and exchange information on a number of topics in space safety and sustainability of national and international interest. The conference is also a forum to promote mutual understanding, trust and the widest possible international cooperation in such matters. The once exclusive “club” of nations with autonomous sub-orbital and orbital space access capabilities is becoming crowded with fresh and ambitious new entrants. New commercial spaceports are starting operations and others are being built. In the manned spaceflight arena a commercial market is becoming a tangible reality with suborbital spaceflights and government use of commercial services for cargo and crew transportation to orbit. Besides the national ambitions in space, the international cooperation both civil and commercial is also gaining momentum. In the meantime robotic space exploration will accelerate and with it the need to internationally better regulate the usage of nuclear power sources. Space-bound systems and aviation traffic will share more and more a crowded airspace, while aviation will increasingly rely on space-based safety-critical services. Finally, most nations own nowadays space assets, mainly satellites of various kinds and purposes, which are under the constant threat of collision with other spacecraft and with the ever increasing number of space debris. Awareness is increasing internationally (as solemnly declared since decades in space treaties) that space is a mankind asset and that we all have the duty of caring for it. Without proactive and courageous international initiatives to organize space, we risk to negate access and use of space to future generations.
Author : United States. Congress. House. Committee on Science and Astronautics
Publisher :
ISBN 13 :
Total Pages : 688 pages
Book Rating : 4.:/5 ( download)
Download or read book 1964 NASA Authorization written by United States. Congress. House. Committee on Science and Astronautics and published by . This book was released on 1963 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Astronautical Society Contributors
Publisher : Univelt Incorporated
ISBN 13 : 0877035970
Total Pages : 175 pages
Book Rating : 4.8/5 (77 download)
Download or read book Advances in the Astronautical Sciences Volume 148 written by American Astronautical Society Contributors and published by Univelt Incorporated. This book was released on 2013-07-22 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in the Astronautical Sciences Series Volume 148 is a collection of scientific papers that were presented at the American Astronautical Society/American Institute of Aeronautics and Astronautics Spaceflight Mechanics Meeting held February 10-14, 2013, in Kauai, Hawaii.
Author : United States. Federal Communications Commission
Publisher :
ISBN 13 :
Total Pages : 896 pages
Book Rating : 4.:/5 (327 download)
Download or read book FCC Record written by United States. Federal Communications Commission and published by . This book was released on 2017 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Stubbe
Publisher : BRILL
ISBN 13 : 9004314083
Total Pages : 552 pages
Book Rating : 4.0/5 (43 download)
Download or read book State Accountability for Space Debris written by Peter Stubbe and published by BRILL. This book was released on 2017-11-13 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: In State Accountability for Space Debris Peter Stubbe examines the legal consequences of space debris pollution which, he argues, is a global environmental concern. The study finds that the customary ‘no harm’ rule and Article IX of the Outer Space Treaty obligate States to prevent the generation of debris and that the international community as a whole has a legitimate interest in their compliance. A breach of these obligations entails the responsibility of a State and compensation must be provided for damage caused by space debris. The author treats responsibility and liability separately and thoroughly scrutinizes both legal regimes with the help of common analytical elements. Finally, Peter Stubbe argues that a comprehensive traffic management system is required so as to ensure the safe and sustainable use of outer space.
Author : Andy Dunn
Publisher : Crown Currency
ISBN 13 : 0593238281
Total Pages : 321 pages
Book Rating : 4.5/5 (932 download)
Download or read book Burn Rate written by Andy Dunn and published by Crown Currency. This book was released on 2023-05-09 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: NATIONAL BESTSELLER • In this “gripping” (TechCrunch), “eye-opening” (Gayle King, Oprah Daily) memoir of mental illness and entrepreneurship, the co-founder of the menswear startup Bonobos opens up about the struggle with bipolar disorder that nearly cost him everything. “Arrestingly candid . . . the most powerful book I’ve read on manic depression since An Unquiet Mind.”—Adam Grant, #1 New York Times bestselling author of Think Again and host of WorkLife At twenty-eight, fresh from Stanford’s MBA program and steeped in the move-fast-and-break-things ethos of Silicon Valley, Andy Dunn was on top of the world. He was building a new kind of startup—a digitally native, direct-to-consumer brand—out of his Manhattan apartment. Bonobos was a new-school approach to selling an old-school product: men’s pants. Against all odds, business was booming. Hustling to scale the fledgling venture, Dunn raised tens of millions of dollars while boundaries between work and life evaporated. As he struggled to keep the startup afloat, Dunn was haunted by a ghost: a diagnosis of bipolar disorder he received after a frightening manic episode in college, one that had punctured the idyllic veneer of his midwestern upbringing. He had understood his diagnosis as an unspeakable shame that—according to the taciturn codes of his fraternity, the business world, and even his family—should be locked away. As Dunn’s business began to take off, however, some of the very traits that powered his success as a founder—relentless drive, confidence bordering on hubris, and ambition verging on delusion—were now threatening to undo him. A collision course was set in motion, and it would culminate in a night of mayhem—one poised to unravel all that he had built. Burn Rate is an unconventional entrepreneurial memoir, a parable for the twenty-first-century economy, and a revelatory look at the prevalence of mental illness in the startup community. With intimate prose, Andy Dunn fearlessly shines a light on the dark side of success and challenges us all to take part in the deepening conversation around creativity, performance, and disorder.
Author :
Publisher :
ISBN 13 :
Total Pages : 984 pages
Book Rating : 4.3/5 (243 download)
Download or read book Code of Federal Regulations written by and published by . This book was released on 2007 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries.
