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A new family classification, based on a catalog of proper elements with $\sim 384,000$ numbered asteroids and on new methods is available. For the $45$ dynamical families with $>250$ members identified in this classification, we present an…

Earth and Planetary Astrophysics · Physics 2015-06-11 Federica Spoto , Andrea Milani , Zoran Knezevic

The members of asteroid families have various shapes. We investigate the origin of their shapes by high-resolution impact simulations for catastrophic disruptions using a Smoothed Particle Hydrodynamics code. Collisional remnants produced…

Earth and Planetary Astrophysics · Physics 2020-02-12 Keisuke Sugiura , Hiroshi Kobayashi , Shu-ichiro Inutsuka

The Planck mission, originally devised for cosmological studies, offers the opportunity to observe Solar System objects at millimetric and submillimetric wavelengths. We concentrate in this paper on the asteroids of the Main Belt. We intend…

Astrophysics · Physics 2009-11-07 G. Cremonese , F. Marzari , C. Burigana , M. Maris

Integrated Assessment Models (IAMs) of the climate and economy aim to analyze the impact and efficacy of policies that aim to control climate change, such as carbon taxes and subsidies. A major characteristic of IAMs is that their…

General Economics · Economics 2020-10-20 Yongyang Cai

Everyday thousands of meteoroids enter the Earth's atmosphere. The vast majority burn up harmlessly during the descent, but the larger objects survive, occasionally experiencing intense fragmentation events, and reach the ground. These…

Earth and Planetary Astrophysics · Physics 2021-06-01 Simone Limonta , Mirko Trisolini , Stefan Frey , Camilla Colombo

Asteroids have called the attention of researchers around the world. Its chemical and physical composition can give us important information about the formation of our Solar System. In addition, the hypothesis of mining some of these…

Earth and Planetary Astrophysics · Physics 2023-07-18 Bruno Chagas , Antonio F. B. de A. Prado , Othon C. Winter

Traditional disaster analysis and modelling tools for assessing the severity of a disaster are predictive in nature. Based on the past observational data, these tools prescribe how the current input state (e.g., environmental conditions,…

Machine Learning · Computer Science 2025-09-16 Saketh Vishnubhatla , Alimohammad Beigi , Rui Heng Foo , Umang Goel , Ujun Jeong , Bohan Jiang , Adrienne Raglin , Huan Liu

Safety is a central requirement for automated vehicles. As such, the assessment of risk in automated driving is key in supporting both motion planning technologies and safety evaluation. In automated driving, risk is characterized by two…

Robotics · Computer Science 2026-01-22 Leon Tolksdorf , Arturo Tejada , Jonas Bauernfeind , Christian Birkner , Nathan van de Wouw

The thermal inertia of an asteroid is an indicator of the thermophysical properties of the regolith and is determined by the size of grains on the surface. Previous thermophysical modeling studies of asteroids have identified or suggested…

Earth and Planetary Astrophysics · Physics 2021-07-14 Eric M. MacLennan , Joshua P. Emery

Near-Earth Asteroids (NEAs) are a key testbed for investigations into planet formation, asteroid dynamics, and planetary defense initiatives. These studies rely on understanding NEA sizes, albedo distributions, and regolith properties.…

We present the Meerkat Asteroid Guard, an imminent impactor warning service developed and maintained by the European Space Agency's Near-Earth Object Coordination Centre (NEOCC). The software uses the method of systematic ranging to perform…

A comprehensive characterization of the detection efficiency of nine of the major asteroid surveys that have been active over the past two decades is presented. The detection efficiency is estimated on a nightly basis by comparing the…

Earth and Planetary Astrophysics · Physics 2016-03-16 Pasquale Tricarico

As the use of machine learning in high impact domains becomes widespread, the importance of evaluating safety has increased. An important aspect of this is evaluating how robust a model is to changes in setting or population, which…

Machine Learning · Computer Science 2021-03-16 Adarsh Subbaswamy , Roy Adams , Suchi Saria

Tumbling asteroids belong to a small group of objects, whose angular velocity vector is unaligned with any of its principal axes of inertia. This leads to challenging efforts to model the trajectory of any spacecraft designed to orbit these…

Earth and Planetary Astrophysics · Physics 2021-05-31 S. Aljbaae , J. Souchay , V. Carruba , D. M. Sanchez , A. F. B. A. Prado

This paper presents an approach to estimating the health effects of an environmental hazard. The approach is general in nature, but is applied here to the case of air pollution. It uses a computer model involving ambient pollution and…

Applications · Statistics 2007-11-01 Gavin Shaddick , Duncan Lee , James V. Zidek , Ruth Salway

Storms and other severe weather events can result in fatalities, injuries, and property damage. Therefore, preventing such outcomes to the extent possible is a key concern, and the scientific community faces an increasing demand for…

Other Computer Science · Computer Science 2016-06-27 Renato P. dos Santos

The article analyzes the impact of environmental conditions on agricultural production in the Aral Sea region. The development of mathematical models for solving the problems of optimizing agricultural production, the spread of dust and…

The atmospheric aerosol loading may significantly influence the performance in solar power production. The impact can be very different both in space (even in short distance) and time (shortterm fluctuations as well as long-term trend).…

Atmospheric and Oceanic Physics · Physics 2024-03-04 Robert Blaga , Delia Calinoiu , Marius Paulescu

This paper addressed the issue of estimating the damage caused by a computer virus. First, an individual-level delayed SIR model capturing the spreading process of a digital virus is derived. Second, the damage inflicted by the virus is…

Social and Information Networks · Computer Science 2017-06-08 Jichao Bi , Lu-Xing Yang , Xiaofan Yang , Yingbo Wu , Yuan Yan Tang

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