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We used the reparameterized Near-Earth Asteroid Thermal Model to model observations of a curated set of over 4000 asteroids from the Wide-field Infrared Survey Explorer in two wavelength bands (W2-3 or W3-4) and compared the results to…

Earth and Planetary Astrophysics · Physics 2023-04-14 Emily A. Whittaker , Jean-Luc Margot , Adrian L. H. Lam , Nathan Myhrvold

This article describes a citizen-science project conducted by the Spanish Virtual Observatory (SVO) to improve the orbits of near-Earth asteroids (NEAs) using data from astronomical archives. The list of NEAs maintained at the Minor Planet…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 E. Solano , C. Rodrigo , R. Pulido , B. Carry

The CatWISE2020 Catalog consists of 1,890,715,640 sources over the entire sky selected from WISE and NEOWISE survey data at 3.4 and 4.6 $\mu$m (W1 and W2) collected from 2010 Jan. 7 to 2018 Dec. 13. This dataset adds two years to that used…

We present preliminary diameters and albedos for 13511 MBAs that were observed during the 3-Band Cryo phase of the WISE survey (after the outer cryogen tank was exhausted) and as part of the NEOWISE Post-Cryo Survey (after the inner cryogen…

Earth and Planetary Astrophysics · Physics 2015-06-11 Joseph R. Masiero , A. K. Mainzer , T. Grav , J. M. Bauer , R. M. Cutri , C. Nugent , M. S. Cabrera

The Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) spacecraft has been conducting a two-band thermal infrared survey to detect and characterize asteroids and comets since its reactivation in Dec 2013. Using the observations…

Earth and Planetary Astrophysics · Physics 2020-02-20 Joseph R. Masiero , A. K. Mainzer , J. M. Bauer , R. M. Cutri , T. Grav , E. Kramer , J. Pittichová , S. Sonnett , E. L. Wright

We publicly release ATM, a Python package designed to model asteroid flux measurements to estimate an asteroid's size, surface temperature distribution, and emissivity. The full multi-dimensional posterior pdf is found using Markov Chain…

Earth and Planetary Astrophysics · Physics 2019-05-09 Joachim Moeyens , Nathan Myhrvold , Željko Ivezić

We present revised near-infrared albedo fits of 2835 Main Belt asteroids observed by WISE/NEOWISE over the course of its fully cryogenic survey in 2010. These fits are derived from reflected-light near-infrared images taken simultaneously…

Earth and Planetary Astrophysics · Physics 2015-06-22 Joseph R. Masiero , T. Grav , A. K. Mainzer , C. R. Nugent , J. M. Bauer , R. Stevenson , S. Sonnett

By means of a varied-shape thermophysical model (VS-TPM) of Hanus et al. (2015) that takes into account asteroid shape and pole uncertainties, we analyze the thermal IR data acquired by the NASA's WISE satellite of about 300 asteroids with…

Earth and Planetary Astrophysics · Physics 2018-05-28 Josef Hanus , Marco Delbo , Josef Durech , Victor Ali-Lagoa

In this communication we refute a criticism concerning results of our work [3] that was presented in references [1] and [2].

Superconductivity · Physics 2018-10-12 A. F. Volkov , F. S. Bergeret , K. B. Efetov

Thermal infrared observations are the most effective way to measure asteroid diameter and albedo for a large number of near-Earth objects. Major surveys like NEOWISE, NEOSurvey, ExploreNEOs, and NEOLegacy find a small fraction of high…

We present thermal model fits for 11 Jovian and 3 Saturnian irregular satellites based on measurements from the WISE/NEOWISE dataset. Our fits confirm spacecraft-measured diameters for the objects with in situ observations (Himalia and…

Earth and Planetary Astrophysics · Physics 2015-08-19 Tommy Grav , James M. Bauer , Amy K. Mainzer , Joe R. Masiero , Carrie R. Nugent , Roc M. Cutri , Sarah Sonnet , Emily Kramer

Thermal infrared measurements of near-Earth objects provide critical data for constraining their physical properties such as size. The NEOWISE mission has been conducting an all-sky infrared survey to gather such data and improve our…

Earth and Planetary Astrophysics · Physics 2020-04-01 Joseph R. Masiero , Patrice Smith , Lean D. Teodoro , A. K. Mainzer , R. M. Cutri , T. Grav , E. L. Wright

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

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

The Near Earth Object Wide-field Infrared Survey Explorer (NEOWISE) Reactivation mission released data from its first full year of observations in 2015. This data set includes ~2.5 million exposures in each of W1 and W2, effectively…

Instrumentation and Methods for Astrophysics · Physics 2017-01-11 Aaron M. Meisner , Dustin Lang , David J. Schlegel

The Hayabusa2# flyby target 98943 Torifune (2001 CC21) has an uncertain size based on an uncertain albedo and uncertain absolute magnitude. We have collected all the NEOWISE observations of 2001 CC21 from Nov 2021 through Feb 2024, a total…

Earth and Planetary Astrophysics · Physics 2025-12-10 Edward L. , Wright , Jospeh Masiero , Amy Mainzer

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

The cryogenic WISE mission in 2010 was extremely sensitive to asteroids and not biased against detecting dark objects. The albedos of 428 Near Earth Asteroids (NEAs) observed by WISE during its fully cryogenic mission can be fit quite well…

Earth and Planetary Astrophysics · Physics 2016-09-21 Edward L. Wright , Amy Mainzer , Joseph Masiero , Tommy Grav , James Bauer

Information about the spin state of asteroids is important for our understanding of the dynamical processes affecting them. However, spin properties of asteroids are known for only a small fraction of the whole population. To enlarge the…

Earth and Planetary Astrophysics · Physics 2018-09-19 Josef Durech , Josef Hanus , Victor Ali-Lagoa

Large potentially hazardous asteroids (PHAs) are capable of causing a global catastrophe in the event of a planetary collision. Thus, rapid assessment of such an object's physical characteristics is crucial for determining its potential…

Earth and Planetary Astrophysics · Physics 2022-04-13 Akash Satpathy , Amy Mainzer , Joseph R. Masiero , Tyler Linder , Roc M. Cutri , Edward L. Wright , Jana Pittichova , Tommy Grav , Emily Kramer