English
Related papers

Related papers: Hazardous Asteroids Classification

200 papers

We propose a low-cost robotic optical survey aimed at $1-300$ m Near Earth Objects (NEO) based on four state-of-the-art telescopes having extremely wide field of view. The small Near-Earth Asteroids (NEA) represent a potential risk but also…

Instrumentation and Methods for Astrophysics · Physics 2014-01-29 P. Vereš , J. Tóth , R. Jedicke , J. Tonry , L. Denneau , R. Wainscoat , L. Kornoš , J. Šilha

The computation of the Minimum Orbital Intersection Distance (MOID) is an old, but increasingly relevant problem. Fast and precise methods for MOID computation are needed to select potentially hazardous asteroids from a large catalogue. The…

Earth and Planetary Astrophysics · Physics 2018-06-22 Jose M. Hedo , Manuel Ruiz , Jesus Pelaez

The nature and physical properties of asteroids, in particular those orbiting in the near-Earth space, are of scientific interest and practical importance. Exoplanet surveys can be excellent resources to detect asteroids, both already known…

Earth and Planetary Astrophysics · Physics 2020-01-08 M. Cortés-Contreras , F. M. Jiménez-Esteban , M. Mahlke , E. Solano , J. Ďurech , S. Barceló Forteza , C. Rodrigo , A. Velasco , B. Carry

The study of asteroids, its composition and trajectories, has been a persistent interest in the space exploration community. In addition, they are also perceived as a great threat to life on Earth, considering the possibility of an impact…

Earth and Planetary Astrophysics · Physics 2023-07-14 Lucas G. Meireles , Antonio F. B. de A. Prado , Maria Cecília Pereira , Cristiano F. de Melo

Machine Learning (ML) is the branch of computer science that studies computer algorithms that can learn from data. It is mainly divided into supervised learning, where the computer is presented with examples of entries, and the goal is to…

Earth and Planetary Astrophysics · Physics 2022-08-17 V. Carruba , S. Aljbaae , R. C. Domingos , M. Huaman , W. Barletta

Orbit-determination programs find the orbit solution that best fits a set of observations by minimizing the RMS of the residuals of the fit. For near-Earth asteroids, the uncertainty of the orbit solution may be compatible with trajectories…

Earth and Planetary Astrophysics · Physics 2021-08-09 Javier Roa , Davide Farnocchia , Steven R. Chesley

We have made an extensive search for grouping amongst the near Earth asteroids (NEAs). We used two D- functions and rigorous cluster analysis approach. We have found sev- eral new groups (associations) among the NEAs: the objects moving on…

Earth and Planetary Astrophysics · Physics 2020-03-04 Tadeusz J. Jopek

The number of known Near Earth Asteroids (NEAs) and Potentially Hazardous Asteroids (PHAs) has continued to grow in the last decade. Follow-up and recovery of newly discovered objects, as well as new astrometry at second or third…

Astrophysics · Physics 2007-05-23 Ovidiu Vaduvescu , Mirel Birlan

Rapid progress in machine learning and artificial intelligence (AI) has brought increasing attention to the potential impacts of AI technologies on society. In this paper we discuss one such potential impact: the problem of accidents in…

Artificial Intelligence · Computer Science 2016-07-26 Dario Amodei , Chris Olah , Jacob Steinhardt , Paul Christiano , John Schulman , Dan Mané

Machine learning algorithms increasingly influence our decisions and interact with us in all parts of our daily lives. Therefore, just as we consider the safety of power plants, highways, and a variety of other engineered socio-technical…

Computers and Society · Computer Science 2017-08-23 Kush R. Varshney , Homa Alemzadeh

The Earth is impacted by 35-40 metre-scale objects every year. These meteoroids are the low mass end of impactors that can do damage on the ground. Despite this they are very poorly surveyed and characterised, too infrequent for ground…

In recent years, understanding asteroids has shifted from light worlds to geological worlds by exploring modern spacecraft and advanced radar and telescopic surveys. However, flyby in 2029 will be an opportunity to conduct an internal…

Instrumentation and Methods for Astrophysics · Physics 2021-06-08 Manuel Ntumba , Saurabh Gore , Jean-Baptiste Awanyo

This paper presents a robust linear method for impact probability estimation of near-Earth asteroids with the Earth. This method is a significantly modified and improved method, which uses a special curvilinear coordinate system associated…

Earth and Planetary Astrophysics · Physics 2020-01-08 Dmitrii E. Vavilov

Insider threats, as one type of the most challenging threats in cyberspace, usually cause significant loss to organizations. While the problem of insider threat detection has been studied for a long time in both security and data mining…

Cryptography and Security · Computer Science 2020-05-27 Shuhan Yuan , Xintao Wu

During the planning phase of industrial robot workplaces, hazard analyses are required so that potential hazards for human workers can be identified and appropriate safety measures can be implemented. Existing hazard analysis methods use…

Robotics · Computer Science 2021-11-30 Tom P. Huck , Christoph Ledermann , Torsten Kröger

While proper orbital elements are currently available for more than 1 million asteroids, taxonomical information is still lagging behind. Surveys like SDSS-MOC4 provided preliminary information for more than 100,000 objects, but many…

Earth and Planetary Astrophysics · Physics 2023-11-08 Valerio Carruba , Júlio I. B. Camargo , Safwan Aljbaae , 51 co-authors , DES Collaboration

Unintentional falls can cause severe injuries and even death, especially if no immediate assistance is given. The aim of Fall Detection Systems (FDSs) is to detect an occurring fall. This information can be used to trigger the necessary…

Computers and Society · Computer Science 2020-10-05 Mirto Musci , Daniele De Martini , Nicola Blago , Tullio Facchinetti , Marco Piastra

Accurate waste disposal, at the point of disposal, is crucial to fighting climate change. When materials that could be recycled or composted get diverted into landfills, they cause the emission of potent greenhouse gases such as methane.…

Machine Learning · Computer Science 2021-01-18 Yash Narayan

Asteroid 2009 FD could impact Earth between 2185 and 2196. The long term propagation to the possible impacts and the intervening planetary encounters make 2009 FD one of the most challenging asteroids in terms of hazard assessment. To…

Earth and Planetary Astrophysics · Physics 2015-06-22 F. Spoto , A. Milani , D. Farnocchia , S. R. Chesley , M. Micheli , G. B. Valsecchi , D. Perna , O. Hainaut

In this paper, a method to detect environmental hazards related to a fall risk using a mobile vision system is proposed. First-person perspective videos are proposed to provide objective evidence on cause and circumstances of perturbed…

Computer Vision and Pattern Recognition · Computer Science 2016-11-03 Mina Nouredanesh , Andrew McCormick , Sunil L. Kukreja , James Tung