English
Related papers

Related papers: Population Vulnerability Models for Asteroid Impac…

200 papers

Shock-physics numerical codes are essential tools for describing the short but extreme fragmentation stage of the hypervelocity impact process on asteroids. However, accurately representing complex interior structures, surfaces, and contact…

Earth and Planetary Astrophysics · Physics 2026-04-16 Xiaoran Yan , Patrick Michel , Ruichen Ni , Yifei Jiao , Junfeng Li

One of the main bottleneck in assessing the accuracy of Mars orbit is the unknown value of the asteroids in the Main Asteroid Belt. Nowadays a modeling with 343 asteroids as point masses is used, with the relative masses fitted to…

Earth and Planetary Astrophysics · Physics 2025-05-16 Vincenzo Mariani , Agnès Fienga , Zachary Murray , Mickaël Gastineau , Jacques Laskar

Using moving mesh hydrodynamic simulations, we determine the shock propagation and resulting ground velocities for a planet hit by a high velocity impactor. We use our results to determine the atmospheric mass loss caused by the resulting…

Earth and Planetary Astrophysics · Physics 2019-04-17 Almog Yalinewich , Hilke E. Schlichting

Tropical storms cause extensive property damage and loss of life, making them one of the most destructive types of natural hazards. The development of predictive models that identify interventions effective at mitigating storm impacts has…

Atmospheric and Oceanic Physics · Physics 2025-09-24 Jared Markowitz , Alexander New , Jennifer Sleeman , Chace Ashcraft , Jay Brett , Gary Collins , Stella In , Nathaniel Winstead

We propose an adaptation of the semilinear algorithm for the prediction of the impact corridor on ground of an Earth-impacting asteroid. The proposed algorithm provides an efficient tool, able to reliably predict the impact regions at fixed…

Earth and Planetary Astrophysics · Physics 2020-07-13 L. Dimare , A. Del Vigna , D. Bracali Cioci , F. Bernardi

Drones are being used to assess the situation in various disasters. In this study, we investigate a method to automatically estimate the damage status of people based on their actions in aerial drone images in order to understand disaster…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Tomoki Arai , Kenji Iwata , Kensho Hara , Yutaka Satoh

We determine the possible detection rate of asteroids with the Bering mission. In particular we examine the outcome of the Bering mission in relation to the populations of Near-Earth Asteroids and main belt asteroids. This is done by…

Astrophysics · Physics 2007-05-23 Rene Michelsen , Henning Haack , Anja C. Andersen , John L. Joergensen

Most seismic risk assessment methods focus on estimating the damages to the built environment and the consequent socioeconomic losses without fully taking into account the social aspect of risk. Yet, human behaviour is a key element in…

The Earth--Moon system has been experiencing impacts from asteroids and comets for billions of years. The Moon, as an airless body, has preserved a distinct record of these events in form of impact craters and ejecta deposits, offering…

Earth and Planetary Astrophysics · Physics 2026-02-16 Yifei Jiao , Bin Cheng , Hexi Baoyin

This is a study of the history of the asteroids in the main asteroid belt. Collisions have been the dominant process. Every asteroid has been impacted by others a multitude of times, with consequences of cratering, erosion, spin increments,…

Earth and Planetary Astrophysics · Physics 2022-03-15 Keith. A. Holsapple

Threat modelling is the process of identifying potential vulnerabilities in a system and prioritising them. Existing threat modelling tools focus primarily on technical systems and are not as well suited to interpersonal threats. In this…

Cryptography and Security · Computer Science 2025-05-06 Kieron Ivy Turk , Anna Talas , Alice Hutchings

We propose a densification algorithm to improve the Line Of Variations (LOV) method for impact monitoring, which can fail when the information is too little, as it may happen in difficult cases. The LOV method uses a 1-dimensional sampling…

Instrumentation and Methods for Astrophysics · Physics 2020-07-07 A. Del Vigna , F. Guerra , G. B. Valsecchi

In this article, theory-based analytical methodologies of astrophysics employed in the modern era are suitably operated alongside a test research-grade telescope to image and determine the orbit of a near-earth asteroid from original…

Earth and Planetary Astrophysics · Physics 2021-09-16 Muhammad Farae , Cameron Woo , Anka Hu

This paper delves into the impact of natural disasters on affected populations and underscores the imperative of reducing disaster-related fatalities through proactive strategies. On average, approximately 45,000 individuals succumb…

Applications · Statistics 2023-09-19 Giacomo Ascione , Michele Bufalo , Giuseppe Orlando

Thermophysical Models (TPMs), which have proven to be a powerful tool in the interpretation of the infrared emission of asteroid surfaces, typically make use of a priori obtained shape models and spin axes for use as input boundary…

Earth and Planetary Astrophysics · Physics 2020-10-22 Eric M. MacLennan , Joshua P. Emery

Thermal inertia estimates are available for a limited number of a few hundred objects, and the results are practically solely based on thermophysical modeling (TPM). We present a novel thermal inertia estimation method, Asteroid Thermal…

Earth and Planetary Astrophysics · Physics 2023-11-08 Bojan Novaković , Marco Fenucci , Dušan Marčeta , Debora Pavela

Megathrust earthquakes are the largest on Earth, capable of causing strong ground shaking and generating tsunamis. Physical models used to understand megathrust earthquake hazard are limited by existing uncertainties about material…

Geophysics · Physics 2024-10-04 Gabrielle M. Hobson , Dave A. May

<<>> Among the components of the infrared and submillimetre sky background, the closest layer is the thermal emission of dust particles and minor bodies in the Solar System. This contribution is especially important for current and future…

Astrophysics · Physics 2009-11-13 Cs. Kiss , A. Pal , Th. G. Mueller , P. Abraham

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

Severe Ionosphere magnetic storms are feared events for integrity and continuity of navigation systems such as EGNOS, the European SBAS (Satellite-Based Augmentation System) complementing GPS and an accurate modelling of this event…

Statistics Theory · Mathematics 2015-05-22 Malika Chassan , Jean-Marc Azaïs , Guillaume Buscarlet , Norbert Suard