Oral: O20. From the Heavens to the Earth: The 2008 TC3 / Almahata Sitta ureilite fall Description:20. Meteorites Chair 1.Chair (Ctrl #: 712) Jason S. Herrin1 1Johnson Space Center. 2.Chair (Ctrl #: 713) Petrus M. M. Jenniskens1 1SETI Institute. Research Contributed 1.The Impact and Recovery of 2008 TC3(Ctrl #: 192) Petrus M. M. Jenniskens1, M. H. Shaddad2, D. Numan2, A. M. Kudoda2, Almahata Sitta Consortium 1SETI Institute, 2University of Khartoum, Sudan. 2.The Discovery of 2008 TC3 at the Catalina Sky Survey(Ctrl #: 384) Andrea Boattini1, E. C. Beshore1, G. J. Garradd2, A. R. Gibbs1, A. D. Grauer1, R. E. Hill1, R. A. Kowalski1, S. M. Larson1, R. H. McNaught1 1LPL, Univ. of Arizona, 2Australian Nat. Univ., Australia. 3.Photometric Observations of Asteroid 2008 TC3(Ctrl #: 253) Marek Kozubal1, R. Dantowitz1 1Clay Center Observatory. 4.A Non-principal Axis Rotation of 2008 TC3(Ctrl #: 225) Peter Scheirich1, J. Durech2, P. Pravec1, M. Kozubal3, R. Dantowitz3, M. Kaasalainen4 1Astronomical Institute, Czech Academy of Sciences, Czech Republic, 2Astronomical Institute, Charles University in Prague, Czech Republic, 3Clay Center Observatory, Dexter and Southfield Schools, 4Department of Mathematics, Tampere University of Technology, Finland. 5.The Impact Trajectory of Asteroid 2008 TC3(Ctrl #: 499) Paul Chodas1, S. Chesley1, D. Yeomans1 1JPL. 6.Mineralogy of the Almahata Sitta Ureilite(Ctrl #: 193) Michael Zolensky1, J. Herrin2, J. Friedrich3, D. Rumble4, A. Steele4, P. Jenniskens5, M. Shaddad6, L. Le2, G. Robinson2 1NASA Johnson Space Center, 2ESCG Jacobs, 3Fordham University, 4Carnegie Institution of Washington, 5SETI Institute, 6University of Khartoum, Sudan. 7.Late Reduction Textures in Almahata Sitta Ureilite(Ctrl #: 671) Jason S. Herrin1, L. Le1, M. E. Zolensky1, M. Ito2, P. Jenniskens3, M. H. Shaddad4 1Johnson Space Center, 2Johnson Space Center/Lunar and Planetary Institute, 3SETI Institute, 4University of Khartoum, Sudan. 8.Characterisation of Diamond in the Almahata Sita Meteorite(Ctrl #: 334) Andrew Steele1, M. Fries2, P. Jenniskens3, M. Zolensky4 1Carnegie Institution of Washington, 2Jet Propulsion Laboratory, 3SETI, 4Johnson Space Centre. 9.Extraterrestrial Amino Acids in the Almahata Sitta Meteorite(Ctrl #: 314) Michael Callahan1, A. Aubrey2, J. L. Bada3, J. P. Dworkin4, J. E. Elsila4, D. P. Glavin4, E. Parker3, P. Jenniskens5 1NASA/ORAU, 2NASA Jet Propulsion Laboratory, 3Scripps Institution of Oceanography, UCSD, 4NASA Goddard Space Flight Center, 5SETI Institute, Carl Sagan Center. 10.Characterization of Polycyclic Aromatic Hydrocarbon Content and Distribution in Selected 2008 TC3 Samples(Ctrl #: 600) Amy Morrow1, H. Sabbah1, R. N. Zare1, P. Jenniskens2 1Stanford University Department of Chemistry, 2SETI Institute. 11.Spatial Characterization of Polycyclic Aromatic Hydrocarbons in 2008 TC3 Samples(Ctrl #: 634) Hassan Sabbah1, A. Morrow1, R. N. Zare1, P. Jenniskens2 1Stanford University, 2SETI.