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Related papers: Size and albedo distributions of asteroids in come…

200 papers

Context. Many databases on asteroid brightnesses (e.g. ALCDEF, WISE) are potential sources for extensive asteroid shape and spin modelling. Individual lightcurve inversion models require several apparitions and hundreds of data points per…

Earth and Planetary Astrophysics · Physics 2017-05-24 H. Nortunen , M. Kaasalainen , J. Ďurech , H. Cibulková , V. Ali-Lagoa , J. Hanuš

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

We show that a number of claims made in Myhrvold (2018) (hereafter M2018b) regarding the WISE data and thermal modeling of asteroids are incorrect. That paper provides thermal fit parameter outputs for only two of the about 150,000 object…

Earth and Planetary Astrophysics · Physics 2018-11-06 Edward Wright , Amy Mainzer , Joseph Masiero , Tommy Grav , Roc Cutri , James Bauer

We aim to determine the distribution of basaltic asteroids (classified as V-types) based on the spectrophotometric data reported in the MOVIS-C catalogue. A total of 782 asteroids were identified. The observations with all four filters (Y,…

Earth and Planetary Astrophysics · Physics 2020-01-08 Jad-Alexandru Mansour , Marcel Popescu , Julia de León , Javier Licandro

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

The distribution of asteroid sizes by semimajor axes and the distribution of the number of asteroids by albedo values for separate families are used to selection the asteroid families more clearly. An analysis of the families identified by…

Earth and Planetary Astrophysics · Physics 2016-02-10 A. M. Kazantsev , L. V. Kazantseva

We use ALMA measurements of 870 $\mu$m thermal emission from a sample of mid-sized (15-40 km diameter) Jupiter Trojan asteroids to search for high albedo objects in this population. We calculate the diameters and albedos of each object…

Earth and Planetary Astrophysics · Physics 2022-07-06 Anna M. Simpson , Michael E. Brown , Madeline J. Schemel , Bryan J. Butler

Dynamically different groups of comets and active asteroids with orbits at 2 - 5 a. u. show dust activity in varying degrees and forms. Photometric study and comparison of physical parameters can help to classify mechanisms and nature of…

Earth and Planetary Astrophysics · Physics 2020-11-30 Serhii Borysenko , Alexander Baransky , Ekkehard Kuehrt , Stephan Hellmich , Stefano Mottola , Karen Meech

We examine the angular distributions of near-Earth objects (NEOs) which are often regarded as uniform. The apparent distribution of the longitude of ascending node, $\Omega$, is strongly affected by well-known seasonal effects in the…

Earth and Planetary Astrophysics · Physics 2015-06-17 Youngmin JeongAhn , Renu Malhotra

Determining the size and orbital distribution of the population of near-Earth asteroids (NEAs) is the focus of intense research, with the most recent models converging to a population of approximately $1000$ NEAs larger than 1 km and up to…

Earth and Planetary Astrophysics · Physics 2016-12-21 Pasquale Tricarico

We present a comparative study of three infrared asteroid surveys based on the size and albedo data from the Infrared Astronomical Satellite (IRAS), the Japanese infrared satellite AKARI, and the Wide-field Infrared Survey Explorer (WISE).…

Earth and Planetary Astrophysics · Physics 2015-06-19 Fumihiko Usui , Sunao Hasegawa , Masateru Ishiguro , Thomas G. Mueller , Takafumi Ootsubo

We present fluxes and light curves for a population of asteroids at millimeter (mm) wavelengths, detected by the Atacama Cosmology Telescope (ACT) over 18, 000 deg2 of the sky using data from 2017 to 2021. We utilize high cadence maps,…

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

Context: Large all-sky surveys provide us with a lot of photometric data that are sparse in time (typically few measurements per night) and can be potentially used for the determination of shapes and rotational states of asteroids. The…

Earth and Planetary Astrophysics · Physics 2016-11-30 Helena Cibulková , Josef Ďurech , David Vokrouhlický , Mikko Kaasalainen , Dagmara A. Oszkiewicz

Dawn spacecraft orbited Vesta for more than one year and collected a huge volume of multispectral, high-resolution data in the visible wavelengths with the Framing Camera. We present a detailed disk-integrated and disk-resolved photometric…

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

We present diameters and albedos computed for the near-Earth and Main Belt asteroids observed by the Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) spacecraft during the sixth and seventh years of its Reactivation mission.…

Earth and Planetary Astrophysics · Physics 2021-07-16 Joseph R. Masiero , A. K. Mainzer , J. M. Bauer , R. M. Cutri , T. Grav , E. Kramer , J. Pittichová , E. L. Wright

Using a sample of red giant stars from the Apache Point Observatory Galactic Evolution Experiment (APOGEE) Data Release 16, we infer the conditional distribution $p([\alpha/\text{Fe}]\,|\,[\text{Fe/H}])$ in the Milky Way disk for the…

Astrophysics of Galaxies · Physics 2021-10-13 Fiorenzo Vincenzo , David H. Weinberg , Andrea Miglio , Richard R. Lane , Alexandre Roman-Lopes

Themis family is one of the largest and oldest asteroid populations in the main-belt. Water-ice may widely exist on the parent body (24) Themis. In this work, we employ the Advanced Thermophysical Model as well as mid-infrared measurements…

Earth and Planetary Astrophysics · Physics 2021-12-10 Haoxuan Jiang , Jianghui Ji

We introduce a new technique to estimate the comet nuclear size frequency distribution (SFD) that combines a cometary activity model with a survey simulation and apply it to 150 long period comets (LPC) detected by the Pan-STARRS1…