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Using albedos from WISE/NEOWISE to separate distinct albedo groups within the Main Belt asteroids, we apply the Hierarchical Clustering Method to these subpopulations and identify dynamically associated clusters of asteroids. While this…

Earth and Planetary Astrophysics · Physics 2015-06-15 Joseph R. Masiero , A. K. Mainzer , J. M. Bauer , T. Grav , C. R. Nugent , R. Stevenson

The number of asteroids with accurately determined orbits increases fast. The catalogs of asteroid physical observations have also increased, although the number of objects is still smaller than in the orbital catalogs. We developed a new…

Earth and Planetary Astrophysics · Physics 2015-06-18 Andrea Milani , Alberto Cellino , Zoran Knezevic , Bojan Novakovic , Federica Spoto , Paolo Paolicchi

Asteroid families, traditionally defined as clusters of objects in orbital parameter space, often have distinctive optical colors. We show that the separation of family members from background interlopers can be improved with the aid of…

The taxonomic classification of asteroids has been mostly based on spectroscopic observations with wavelengths spanning from the VIS to the NIR. VIS-NIR spectra of $\sim$2500 asteroids have been obtained since the 1970s; the SDSS MOC 4 was…

Earth and Planetary Astrophysics · Physics 2022-08-10 Dong-Goo Roh , Hong-Kyu Moon , Min-Su Shin , Francesca E. DeMeo

We present a new classification of families identified among the population of high-inclination asteroids. We computed synthetic proper elements for a sample of 18,560 numbered and multi-opposition objects having sine of proper inclination…

Earth and Planetary Astrophysics · Physics 2012-07-04 Bojan Novakovic , Alberto Cellino , Zoran Knezevic

The classification of the minor bodies of the Solar System based on observables has been continuously developed and iterated over the past 40 years. While prior iterations followed either the availability of large observational campaigns or…

Earth and Planetary Astrophysics · Physics 2022-09-21 Max Mahlke , Benoit Carry , Pierre-Alexandre Mattei

We discuss optical colors of 10,592 asteroids with known orbits selected from a sample of 58,000 moving objects observed by the Sloan Digital Sky Survey (SDSS). This is more than ten times larger sample that includes both orbital parameters…

Asteroid diameters are traditionally difficult to estimate. When a direct measurement of the diameter cannot be made through either occultation or direct radar observation, the most common method is to approximate the diameter from infrared…

Earth and Planetary Astrophysics · Physics 2023-05-29 Zachary Murray

We present initial results from the Wide-field Infrared Survey Explorer (WISE), a four-band all-sky thermal infrared survey that produces data well suited to measuring the physical properties of asteroids, and the NEOWISE enhancement to the…

We announce the first public release of the SDSS Moving Object Catalog, with SDSS observations for 58,117 asteroids. The catalog lists astrometric and photometric data for moving objects observed prior to Dec 15, 2001, and also includes…

Astrophysics · Physics 2011-06-07 Z. Ivezic , M. Juric , R. H. Lupton , S. Tabachnik , T. Quinn

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

We have combined the NEOWISE and Sloan Digital Sky Survey data to study the albedos of 24,353 asteroids with candidate taxonomic classifications derived using Sloan photometry. We find a wide range of moderate to high albedos for candidate…

Earth and Planetary Astrophysics · Physics 2015-05-30 A. Mainzer , J. Masiero , T. Grav , J. Bauer , D. J. Tholen , R. S. McMillan , E. Wright , T. Spahr , R. M. Cutri , R. Walker , W. Mo , J. Watkins , E. Hand , C. Maleszewski

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

We present here multi-band photometry for over 2000 Main-belt asteroids. For each target we report the probabilistic taxonomy using the measured V-R and V-I colors in combination with a machine-learning generated decision surface in…

Earth and Planetary Astrophysics · Physics 2019-06-05 N. Erasmus , A. McNeill , M. Mommert , D. E. Trilling , A. A. Sickafoose , K. Paterson

Asteroid modeling efforts in the last decade resulted in a comprehensive dataset of almost 400 convex shape models and their rotation states. This amount already provided a deep insight into physical properties of main-belt asteroids or…

Earth and Planetary Astrophysics · Physics 2016-08-07 J. Hanuš , J. Ďurech , D. A. Oszkiewicz , R. Behrend , B. Carry , M. Delbo' , O. Adam , V. Afonina , R. Anquetin , P. Antonini , L. Arnold , M. Audejean , P. Aurard , M. Bachschmidt , B. Badue , E. Barbotin , P. Barroy , P. Baudouin , L. Berard , N. Berger , L. Bernasconi , J-G. Bosch , S. Bouley , I. Bozhinova , J. Brinsfield , L. Brunetto , G. Canaud , J. Caron , F. Carrier , G. Casalnuovo , S. Casulli , M. Cerda , L. Chalamet , S. Charbonnel , B. Chinaglia , A. Cikota , F. Colas , J-F. Coliac , A. Collet , J. Coloma , M. Conjat , E. Conseil , R. Costa , R. Crippa , M. Cristofanelli , Y. Damerdji , A. Debackere , A. Decock , Q. Déhais , T. Déléage , S. Delmelle , C. Demeautis , M. Dróżdż , G. Dubos , T. Dulcamara , M. Dumont , R. Durkee , R. Dymock , A. Escalante del Valle , N. Esseiva , R. Esseiva , M. Esteban , T. Fauchez , M. Fauerbach , M. Fauvaud , S. Fauvaud , E. Forné , C. Fournel , D. Fradet , J. Garlitz , O. Gerteis , C. Gillier , M. Gillon , R. Giraud , J-P. Godard , R. Goncalves , H. Hamanowa , H. Hamanowa , K. Hay , S. Hellmich , S. Heterier , D. Higgins , R. Hirsch , G. Hodosan , M. Hren , A. Hygate , N. Innocent , H. Jacquinot , S. Jawahar , E. Jehin , L. Jerosimic , A. Klotz , W. Koff , P. Korlevic , E. Kosturkiewicz , P. Krafft , Y. Krugly , F. Kugel , O. Labrevoir , J. Lecacheux , M. Lehký , A. Leroy , B. Lesquerbault , M. J. Lopez-Gonzales , M. Lutz , B. Mallecot , J. Manfroid , F. Manzini , A. Marciniak , A. Martin , B. Modave , R. Montaigut , J. Montier , E. Morelle , B. Morton , S. Mottola , R. Naves , J. Nomen , J. Oey , W. Ogłoza , M. Paiella , H. Pallares , A. Peyrot , F. Pilcher , J-F. Pirenne , P. Piron , M. Polinska , M. Polotto , R. Poncy , J. P. Previt , F. Reignier , D. Renauld , D. Ricci , F. Richard , C. Rinner , V. Risoldi , D. Robilliard , D. Romeuf , G. Rousseau , R. Roy , J. Ruthroff , P. A. Salom , L. Salvador , S. Sanchez , T. Santana-Ros , A. Scholz , G. Séné , B. Skiff , K. Sobkowiak , P. Sogorb , F. Soldán , A. Spiridakis , E. Splanska , S. Sposetti , D. Starkey , R. Stephens , A. Stiepen , R. Stoss , J. Strajnic , J-P. Teng , G. Tumolo , A. Vagnozzi , B. Vanoutryve , J. M. Vugnon , B. D. Warner , M. Waucomont , O. Wertz , M. Winiarski , M. Wolf

Aims: Our aim is to obtain more information about the physical nature of B-type asteroids and extend on the previous work by studying their physical properties derived from fitting an asteroid thermal model to their NASA's Wide-field…

We are in an era of large catalogs and, thus, statistical analysis tools for large data sets, such as machine learning, play a fundamental role. One example of such a survey is the Sloan Moving Object Catalog (MOC), which lists the…

Earth and Planetary Astrophysics · Physics 2022-10-12 M. Colazo , A. Alvarez-Candal , R. Duffard

In order to fully understand the shapes of asteroids families in the 3-dimensional space of the proper elements $(a_{\rm p}, e_{\rm p}, \sin I_{\rm p})$ it is necessary to compare observed asteroids with N-body simulations. To this point,…

Earth and Planetary Astrophysics · Physics 2018-10-10 Miroslav Brož , Alessandro Morbidelli

The NEOWISE dataset offers the opportunity to study the variations in albedo for asteroid classification schemes based on visible and near-infrared observations for a large sample of minor planets. We have determined the albedos for nearly…

Earth and Planetary Astrophysics · Physics 2015-05-30 A. Mainzer , T. Grav , J. Masiero , J. Bauer , E. Hand , D. Tholen , R. S. McMillan , T. Spahr , R. M. Cutri , E. Wright , J. Watkins , W. Mo , C. Maleszewski

Recent work has shown that the correlation between SDSS colors and optical albedo can be used to estimate asteroid sizes from optical data alone. We revisit a correlation between SDSS colors and optical albedo for asteroids, with the albedo…

Earth and Planetary Astrophysics · Physics 2021-01-06 Vedrana Ivezić , Željko Ivezić
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