Numerical simulations suggest asteroids (101955) Bennu and (162173) Ryugu are likely second or later generation rubble pilesOPEN ACCESS
K. J. Walsh, R-L. Ballouz, W. F. Bottke, C. Avdellidou, H. C. Connolly Jr, M. Delbo, D. N. DellaGiustina, E. R. Jawin, T. McCoy, P. Michel, T. Morota, M. C. Nolan, S. R. Schwartz, S….
A subsurface layer on asteroid (101955) Bennu and implications for rubble pile asteroid evolution
E.B. Bierhaus, F. Rossmann, C. Johnson, R.T. Daly, D. Golish, J. Nolau, A. Allen, H. Campins, M. Pajola, B. Rizk, C. D’Aubigny, D. DellaGiustina, E. Cloutis, D. Trang, D.S. Lauretta IcarusIn Press, Journal Pre-proof, Available…
Generation of a measurable magnetic field in a metal asteroid with a rubble-pile core
Zhongtian Zhang and David Bercovici PNAS Vol. 120 | No. 32July 31, 2023 LINK “SignificanceIron meteorites represent cores of differentiated objects, which are possibly the building blocks of planetary cores. The parent body of iron…
The Formation of a Rubble Pile Asteroid: Insights from the Asteroid RyuguOPEN ACCESS
Tsutomu Ota, Christian Potiszil, Katsura Kobayashi, Ryoji Tanaka, Hiroshi Kitagawa, Tak Kunihiro, Chie Sakaguchi, Masahiro Yamanaka and Eizo Nakamura Universe 2023, 9(6), 293, REVIEW LINK (OPEN ACCESS)PDF (DOWNLOAD) “The Hayabusa2 mission returned primitive samples from…
Determining the Pyroxene Mineralogies of VestoidsOPEN ACCESS
T. H. Burbine, P. C, Buchanan, M. J. Jercinovic and R. C. Greenwood The Planetary Science Journal, Volume 4, Number 5 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Bulk pyroxene compositions were calculated for a number of…
Melt migration in rubble-pile planetesimals: Implications for the formation of primitive achondrites
Zhongtian Zhang, David Bercovici, Linda T. Elkins-Tanton Earth and Planetary Science LettersAvailable online 31 January 2023, 118019 LINK “Primitive achondrites represent residual mantle material of planetesimals from which up to 20% partial melts were extracted….
AFM Force Measurements to Explore Grain Contacts with Relevance for Planetary MaterialsOPEN ACCESS
Keanna Jardine, Adrienne Dove and Laurene Tetard The Planetary Science Journal, Volume 3, Number 12Published: 15 December 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Most small asteroids are defined as “rubble piles” or bodies with zero…
Thermochemical evolution of the acapulcoite–lodranite parent body: Evidence for fragmentation-disrupted partial differentiation
Michael P. Lucas, Nicholas Dygert, Jialong Ren, Marc A. Hesse, Nathaniel R. Miller, Harry Y. McSween MAPSVersion of Record online: 21 November 2022 LINK “Primitive achondrites of the acapulcoite–lodranite clan (ALC) are residues of partial…
Near-zero cohesion and loose packing of Bennu’s near subsurface revealed by spacecraft contactOPEN ACCESS
Kevin J. Walsh, Ronald-Louis Ballouz, Erica R. Jawin, Chrysa Avdellidou, livier S. Barnouin, Carina A. Bennett, Edward B. Bierhaus, Brent J. BosSaverio Cambioni, Harold C. ConnollyJr., Marco Delbo, Daniella N. DellaGiustina, Joseph DeMartini, Joshua P….
Crater population on asteroid (101955) Bennu indicates impact armouring and a young surface
E. B. Bierhaus, D. Trang, R. T. Daly, C. A. Bennett, O. S. Barnouin, K. J. Walsh, R.-L. Ballouz, W. F. Bottke, K. N. Burke, M. E. Perry, E. R. Jawin, T. J. McCoy, H….
The Formation of Terraces on Asteroid (101955) BennuOPEN ACCESS
O. S. Barnouin, M. G. Daly, J. A. Seabrook, Y. Zhang, F. Thuillet, P. Michel, J. H. Roberts, R. T. Daly, M. E. Perry, H. C. M. Susorney, E. R. Jawin, R.-L. Ballouz, K. J….
Global geologic map of asteroid (101955) Bennu indicates heterogeneous resurfacing in the past 500,000 yearsOPEN ACCESS
R.-L. Ballouz, A.J. Ryan, H.H. Kaplan, M. Pajola, V.E. Hamilton, O.S. Barnouin, J.P. Emery, B. Rozitis, D.N. DellaGiustina, M.G. Daly, C.A. Bennett, D.R. Golish, M.E. Perry, R.T.Daly, E.B. Bierhaus, M.C. Nolan, H.L. Enos, D.S. Lauretta…
Internal rubble properties of asteroid (101955) BennuOPEN ACCESS
P. Tricarico, D. J. Scheeres, A. S. French, J. W. McMahon, D. N. Brack, J. M. Leonard, P. Antreasian, S. R. Chesley, D. Farnocchia, Y. Takahashi, E. M. Mazarico, D. Rowlands, D. Highsmith, K. Getzandanner,…
The Macroporosity of Rubble Pile Asteroid Ryugu and Implications for the Origin of ChondrulesOPEN ACCESS
William Herbst, James P. Greenwood and Teng Ee Yap The Planetary Science Journal, Volume 2, Number 3 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We use the known surface boulder-size distribution of the C-type rubble pile asteroid…
Exogenous copper sulfide in returned asteroid Itokawa regolith grains are likely relicts of prior impacting bodyOPEN ACCESS
Katherine D. Burgess & Rhonda M. Stroud Communications Earth & Environment, Volume 2, Article number: 115 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Samples from asteroid 25143 Itokawa returned by the Hayabusa mission have been identified…
Almahata Sitta is No More Exotic Than any Other Polymict Ureilite
Goodrich C. A., Bottke W. F., Walsh K. J., Daly R. T. 52nd Lunar and Planetary Science Conference (2021), Abstract #1331 PDF “Almahata Sitta (asteroid 2008 TC3) and typical polymict ureilites most likely formed in…
Heterogeneous mass distribution of the rubble-pile asteroid (101955) BennuOPEN ACCESS
D. J. Scheeres, A. S. French, P. Tricarico, S. R. Chesley, Y. Takahashi, D. Farnocchia, J. W. McMahon, D. N. Brack, A. B. Davis, R.-L. Ballouz, E. R. Jawin, B. Rozitis, J. P. Emery, A….
Exogenic basalt on asteroid (101955) Bennu
D. N. Della Giustina, H. H. Kaplan, A. A. Simon, W. F. Bottke, C. Avdellidou, M. Delbo, R.-L. Ballouz, D. R. Golish, K. J. Walsh, M. Popescu, H. Campins, M. A. Barucci, G. Poggiali, R….
Highly porous nature of a primitive asteroid revealed by thermal imaging
Tatsuaki Okada, Tetsuya Fukuhara, Satoshi Tanaka, Makoto Taguchi, Takehiko Arai, Hiroki Senshu, Naoya Sakatani, Yuri Shimaki, Hirohide Demura, Yoshiko Ogawa, Kentaro Suko, Tomohiko Sekiguchi, Toru Kouyama, Jun Takita, Tsuneo Matsunaga, Takeshi Imamura, Takehiko Wada, Sunao…
Asteroid 2008 TC3 Breakup and Meteorite Fractions
Goodrich, C.; Jenniskens, P.; Shaddad, M. H.; Zolensky; M. E.; Fioretti, A. M. JSC-CN-38419, Conference Paper Asteroid Comets and Meteors Conference (ACM 2017); 10-14 Apr. 2017; Montevideo; Uruguay abstract “The recovery of meteorites from the…
40Ar/39Ar age of material returned from asteroid 25143 Itokawa
Park, J., Turrin, B. D., Herzog, G. F., Lindsay, F. N., Delaney, J. S., Swisher, C. C., Uesugi, M., Karouji, Y., Yada, T., Abe, M., Okada, T. and Ishibashi, Y. Meteoritics & Planetary Science. doi:…
Are some meteoroids rubble piles?
Jiří Borovička Paper presented at the IAU Symposium 318 Asteroids: New Observations, New Models (Honolulu, USA, August 3-7, 2015). Accepted for publication in the Proceedings of the International Astronomical Union arXiv:1510.07869 PDF (full text) abstract…