Asteroid Family Physical Properties

Joseph Masiero, Francesca DeMeo, Toshihiro Kasuga, Alex H. Parker arXiv:1502.00961 PDF LINK (full text) LINK

Short-term variability on the surface of (1) Ceres. A changing amount of water ice?

D. Perna, Z. Kaňuchová, S. Ieva, S. Fornasier, M. A. Barucci, C. Lantz, E. Dotto, G. Strazzulla PDF LINK (full text) LINK

Ceres – seen by Dawn spacecraft II

This animation of the dwarf planet Ceres was made by combining images taken by NASA’s Dawn spacecraft on January 25, 2015. The spacecraft’s framing camera took these images, at a distance of about 147,000 miles…

Formation and Growth of Bodies in the Early Solar System: From Turbulence Motion to Revolving Motion of the Particles and Small Bodies

T. R. Abdulmyanov 46th Lunar and Planetary Science Conference (2015), Abstract #1016 PDF LINK

Measurement of Thermal Properties of the Ordinary Chondrites Relevant to Planet-Forming Processes

K. A. McCain, F. J. Ciesla, P. R. Heck, S. S. Rout, M. Pellin, C. Malliakas, J. F. Mitchell 46th Lunar and Planetary Science Conference (2015), Abstract #2730 PDF LINK

Recycling of an Asteroid via a Comet Inferred from the Chelyabinsk Meteorite

E. Nakamura, T. Kunihiro, H. Kitagawa, K. Kobayashi, T. Ota, C. Sakaguchi, Y. Shimaki, R. Tanaka, T. Tsujimori, M. Yamanaka, G. E. Bebout, V. I. Grokhovsky, O. N. Koroleva, K. D. Litasov, V. Malkovets 46th…

Physical Characterization of Chelyabinsk-Sized (~20 meter) Near-Earth Asteroids: Implications for Impact Hazard, Meteorite Source Bodies, and Human Exploration

V. Reddy, R. R. Landis, J. A. Sanchez, P. S. Hardersen, B. Burt, F. E. DeMeo, M. J. Gaffey, L. Le Corre 46th Lunar and Planetary Science Conference (2015), Abstract #1289 PDF LINK

Mineralogy of some evolved LL chondrites with reference to asteroid materials and solar system evolution

Hiroshi Takeda, Hiroshi Nagaoka, Akira Yamaguchi, Yuzuru Karouji, Yuuki Yazawa Earth, Planets and Space 2015, 67:5 doi:10.1186/s40623-014-0167-x PDF LINK LINK (abstract)

Dawn’s new photo of Ceres

taken 1 December 2014 from a distance of 740,000 miles (1.2 million kilometers) Image credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA Image credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

Episodic warming of early Mars by punctuated volcanism

Itay Halevy, James W. Head III Nature Geoscience (2014) doi:10.1038/ngeo2293 published online 17 November 2014 LINK

Can We Distinguish Between Shock-Darkened and Space-Weathered Asteroids?

Kohout, Tomas; Penttila, Antti; Gritsevich, Maria; Britt, Daniel; Reddy, Vishnu; Mann, Paul; Haloda, Jakub; Halodova, Patricie; Grokhovsky, Viktor; Yakovlev, Grigoriy; Cuda, Jan; Filip, Jan; Muinonen, Karri; Zboril, Radek American Astronomical Society, DPS meeting #46, #506.02…

Linear spectropolarimetry: a new diagnostic tool for the classification and characterization of asteroids

Bagnulo S, Cellino A,Sterzik MF (2014) Monthly Notices of the Royal Astronomical Society MNRAS (January 01, 2015) 446 (1): L11-L15. doi: first published online October 22, 2014 LINK

Atmospheric mass loss during planet formation: The importance of planetesimal impacts

Hilke E. Schlichting, Re’em Sari, Almog Yalin Icarus DOI: 10.1016/j.icarus.2014.09.053 LINK

Aqueous Alteration on Asteroids: Linking the Mineralogy and Spectroscopy of CM and CI Chondrites

M.M. McAdam, J.M. Sunshine, K.T. Howard, T.M. McCoy Icarus DOI: 10.1016/j.icarus.2014.09.041 LINK Abstract CM/CI meteorites range in degree of aqueous alteration suggesting differences in initially accreted materials including water ice and possible spatial heterogeneities within…

Where Did the Ureilite Parent Body Accrete? Constraints from Chemical and Isotopic Compositions

Cyrena Goodrich, David P. O’Brien Abstract: Almahata Sitta and other polymict ureilites contain a remarkable diversity of materials, including EH, EL, OC, R- and CB chondrites, in addition to the dominant ureilitic material [1]. These…

The ancient heritage of water ice in the solar system

L. Ilsedore Cleeves, Edwin A. Bergin, Conel M. O’D. Alexander, Fujun Du, Dawn Graninger, Karin I. Öberg, Tim J. Harries LINK Science 26 September 2014: Vol. 345 no. 6204 pp. 1590-1593 DOI: 10.1126/science.1258055 “Abstract Identifying…

Recent multi-kiloton impact events: are they truly random?

C. de la Fuente Marcos, R. de la Fuente Marcos arXiv:1409.0452 revised 16 Sept 2014 ; Printed 17 September 2014 PDF LINK LINK It is customarily assumed that Earth-striking meteoroids are completely random, and that…

Painted Stone: Asteroids in the Sloan Digital Sky Survey, by Alex Parker

VIDEO (FULL HD) LINK This animation shows the orbital motions of over 100,000 of the asteroids observed by the Sloan Digital Sky Survey (SDSS), with colors illustrating the compositional diversity measured by the SDSS five-color…

Defining the Flora Family: Orbital Properties, Reflectance Properties and Age

Melissa J. Dykhuis, Lawrence Molnar, Samuel J. Van Kooten, Richard Greenberg Icarus Available online 16 September 2014 LINK

Samarium–neodymium chronology and rubidium–strontium systematics of an Allende calcium–aluminum-rich inclusion with implications for 146Sm half-life

N.E. Marks, L.E. Borg, I.D. Hutcheon, B. Jacobsen, R.N. Clayton Earth and Planetary Science Letters Volume 405, 1 November 2014, Pages 15–24 DOI: 10.1016/j.epsl.2014.08.017 Available online 29 August 2014 LINK

Sequential analysis of carbonaceous materials in Hayabusa-returned samples for the determination of their origin

Masayuki Uesugi, Hiroshi Naraoka, Motoo Ito, Hikaru Yabuta, Fumio Kitajima, Yoshinori Takano, Hajime Mita, Ichiro Ohnishi, Yoko Kebukawa, Toru Yada, Yuzuru Karouji, Yukihiro Ishibashi, Takaaki Okada and Masanao Abe Earth, Planets and Space 2014, 66:102…

The Case of the Missing Ceres Family

Andrew S. Rivkin Erik Asphaug, William F. Bottke Icarus DOI: 10.1016/j.icarus.2014.08.007 available online 23 August 2014 LINK

Chromium Valences in Ureilite Olivine and Implications for Ureilite Petrogenesis

Goodrich CA, Sutton SR, Wirick S and Jercinovic MJ (in press) Geochimica et Cosmochimica Acta Volume 122, 1 December 2013, Pages 280–305 [doi:10.1016/j.gca.2013.08.003] LINK

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