Meteoritics & Planetary Science 45, Nr 10–11, 1590–1617 (2010) doi: 10.1111/j.1945-5100.2010.01153.x Almahata Sitta (=asteroid 2008 TC3) and the search for the ureilite parent body Peter JENNISKENS1*,Je´ re´ mie VAUBAILLON2, Richard P. BINZEL3, Francesca E. DeMEO3,4, David NESVORNY´ 5, William F. BOTTKE5, Alan FITZSIMMONS6, Takahiro HIROI7, Franck MARCHIS1, Janice L. BISHOP1, Pierre VERNAZZA8, Michael E. ZOLENSKY9, Jason S. HERRIN9, Kees C. WELTEN10, Matthias M. M. MEIER11, and Muawia H. SHADDAD12 1Carl Sagan Center, SETI Institute, 189 Bernardo Ave., Mountain View, California 94043, USA 2Observatoire de Paris, I.M.C.C.E., 77 Av. Denfert Rochereau, Bat. A., FR-75014 Paris, France 3Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139–4307, USA 4Observatoire de Paris, L.E.S.I.A., 5 Place Jules Janssen, FR-92195 Meudon, France 5Department of Space Studies, Southwest Research Institute, 1050 Walnut St., Suite 400, Boulder, Colorado 80302, USA 6Astrophysics Research Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, UK 7Department of Geological Sciences, Brown University, Providence, Rhode Island 02912, USA 8ESA, ESTEC, Keplerlaan 1, NL-2200 AG Noordwijk, The Netherlands 9NASA Johnson Space Center, 2101 NASA Parkway, Houston, Texas 77058, USA 10Space Sciences Laboratory, University of California, Berkeley, California 94720–7450, USA 11Department of Earth Sciences, E.T.H. Zurich, CH-8092 Zurich, Switzerland 12Department of Physics and Astronomy, University of Khartoum, P.O. Box 321, Khartoum 11115, Sudan *Corresponding author. E-mail:
[email protected] (Received 28 November 2009; revision accepted 25 October 2010) Abstract–This article explores what the recovery of 2008 TC3 in the form of the Almahata Sitta meteorites may tell us about the source region of ureilites in the main asteroid belt.