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The population of near-Earth asteroids (NEAs) shows a large variety of objects in terms of physical and dynamical properties. They are subject to planetary encounters and to strong solar wind and radiation effects. Their study is also…

We present preliminary diameters and albedos for 7,959 asteroids detected in the first year of the NEOWISE Reactivation mission. 201 are near-Earth asteroids (NEAs). 7,758 are Main Belt or Mars-crossing asteroids. 17% of these objects have…

Earth and Planetary Astrophysics · Physics 2015-12-01 C. R. Nugent , A. Mainzer , J. Masiero , J. Bauer , R. M. Cutri , T. Grav , E. Kramer , S. Sonnett , R. Stevenson , E. L. Wright

The Wide-Field Infrared Survey Explorer (WISE; Wright et al. 2010) satellite observed the full sky in four mid-infrared bands in the 2.8 to 28 micron range. The primary mission was completed in 2010. The WISE team have done a superb job of…

Instrumentation and Methods for Astrophysics · Physics 2014-05-05 Dustin Lang

We propose to use a modest fraction of the re-purposed Kepler mission time and apertures to greatly increase the quantity and quality of our knowledge of near-Earth asteroids (NEAs) rotation and shape. NEAs are important for understanding…

Earth and Planetary Astrophysics · Physics 2013-09-11 Martin Elvis , José Luis Galache , Gareth V. Williams

We have carried out simulations to predict the performance of a new space-based telescopic survey operating at thermal infrared wavelengths that seeks to discover and characterize a large fraction of the potentially hazardous near-Earth…

Earth and Planetary Astrophysics · Physics 2015-06-23 A. Mainzer , T. Grav , J. Bauer , T. Conrow , R. M. Cutri , J. Dailey , J. Fowler , J. Giorgini , T. Jarrett , J. Masiero , T. Spahr , T. Statler , E. L. Wright

Thermophysical models allow for improved constraints on the physical and thermal surface properties of asteroids beyond what can be inferred from more simple thermal modeling, provided a sufficient number of observations is available. We…

Earth and Planetary Astrophysics · Physics 2019-08-14 Joseph R. Masiero , E. L. Wright , A. K. Mainzer

Mid-infrared (mid-IR) observations of Near-Earth Objects (NEOs) have historically been a valuable tool for understanding their physical properties. However, the current state of mid-IR instruments on ground-based telescopes places several…

Earth and Planetary Astrophysics · Physics 2025-06-18 Andy J. López-Oquendo , Joseph L. Hora , David E. Trilling , Howard A. Smith

We present the preliminary results of an analysis of the sub-populations within the near-Earth asteroids, including the Atens, Apollos, Amors, and those that are considered potentially hazardous using data from the Wide-field Infrared…

Earth and Planetary Astrophysics · Physics 2015-06-05 A. Mainzer , T. Grav , J. Masiero , J. Bauer , R. S. McMillan , J. Giorgini , T. Spahr , R. M. Cutri , D. J. Tholen , R. Jedicke , R. Walker , E. Wright , C. R. Nugent

Quantifying the accuracy with which physical properties of asteroids can be determined from thermal modeling is critical to measuring the impact of infrared data on our understanding of asteroids. Previous work (Mainzer et al. 2011b) has…

Earth and Planetary Astrophysics · Physics 2018-08-08 Joseph R. Masiero , A. K. Mainzer , E. L. Wright

The Wide-field Infrared Survey Explorer (WISE), a NASA MIDEX mission, will survey the entire sky in four bands from 3.3 to 23 microns with a sensitivity 1000 times greater than the IRAS survey. The WISE survey will extend the Two Micron All…

Astrophysics · Physics 2009-11-11 A. K. Mainzer , P. Eisenhardt , E. L. Wright , F. Liu , W. Irace , I. Heinrichsen , R. Cutri , V. Duval

Near-Earth Asteroids (NEAs) with small perihelion distances reach sub-solar temperatures of > 1000 K. They are hypothesized to undergo "super-catastrophic" disruption, potentially caused by near-Sun processes such as thermal cracking,…

In this paper we present the "Small Bodies: Near and Far" Infrared Database, an easy-to-use tool intended to facilitate the modeling of thermal emission of small Solar System bodies. Our database collects thermal emission measurements of…

Instrumentation and Methods for Astrophysics · Physics 2020-03-11 Róbert Szakáts , Thomas Müller , Víctor Alí-Lagoa , Gábor Marton , Anikó Farkas-Takács , Evelin Bányai , Csaba Kiss

Context. The study of planet-crossing asteroids is of both practical and fundamental importance. As they are closer than asteroids in the Main Belt, we have access to a smaller size range, and this population frequently impacts planetary…

Earth and Planetary Astrophysics · Physics 2023-12-06 A. V. Sergeyev , B. Carry , M. Marsset , P. Pravec , D. Perna , F. E. DeMeo , V. Petropoulou , M. Lazzarin , F. La Forgia , I. Di Petro , the NEOROCKS team

We present full-sky coadded maps created by uniformly combining the first five years of Wide-field Infrared Survey Explorer (WISE) and NEOWISE imaging at 3.4 microns (W1) and 4.6 microns (W2). By incorporating both pre-hibernation WISE…

Instrumentation and Methods for Astrophysics · Physics 2020-01-08 A. M. Meisner , D. Lang , E. F. Schlafly , D. J. Schlegel

The survey of the nearby space and continuous monitoring of the Near Earth Objects (NEOs) and especially Near Earth Asteroids (NEAs) are essential for the future of our planet and should represent a priority for our solar system research…

Accurate astrometry is crucial for determining orbits of near-Earth-asteroids (NEAs) and therefore better tracking them. This paper reports on a demonstration of 10 milliarcsecond-level astrometric precision on a dozen NEAs using the Pomona…

Using the Wide Field Camera for the United Kingdom Infrared Telescope, we measure the near-infrared colors of near-Earth objects (NEOs) in order to put constraints on their taxonomic classifications. The rapid-response character of our…

Earth and Planetary Astrophysics · Physics 2016-04-06 M. Mommert , D. E. Trilling , D. Borth , R. Jedicke , N. Butler , M. Reyes-Ruiz , B. Pichardo , E. Petersen , T. Axelrod , N. Moskovitz

Data acquired at Ceres by the visible channel of the Visible and InfraRed mapping spectrometer (VIR) on board the NASA Dawn spacecraft are affected by the temperatures of both the visible (VIS) and the infrared (IR) sensors, which are…

Instrumentation and Methods for Astrophysics · Physics 2020-02-14 B. Rousseau , A. Raponi , M. Ciarniello , E. Ammannito , F. G. Carrozzo , M. C. De Sanctis , S. Fonte , A. Frigeri , F. Tosi

We have begun the ExploreNEOs project in which we observe some 700 Near Earth Objects (NEOs) at 3.6 and 4.5 microns with the Spitzer Space Telescope in its Warm Spitzer mode. From these measurements and catalog optical photometry we derive…

We present a novel method for extracting moving objects from TESS data using machine learning. Our approach uses two stacked 3D U-Nets with skip connections, which we call a W-Net, to filter background and identify pixels containing moving…

Earth and Planetary Astrophysics · Physics 2026-05-13 Brian P. Powell , Jorge Martinez-Palomera , Amy Tuson , Christina Hedges , Jessie Dotson , Jordan Caraballo-Vega