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OSIRIS-REx: Sample Return from Asteroid (101955) Bennu |
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| Authors: | Lauretta D S Balram-Knutson S S Beshore E Boynton W V Drouet d’Aubigny C DellaGiustina D N Enos H L Golish D R Hergenrother C W Howell E S Bennett C A Morton E T Nolan M C Rizk B Roper H L Bartels A E Bos B J Dworkin J P Highsmith D E Lorenz D A Lim L F Mink R Moreau M C Nuth J A Reuter D C Simon A A Bierhaus E B Bryan B H Ballouz R Barnouin O S Binzel R P Bottke W F Hamilton V E Walsh K J Chesley S R Christensen P R Clark B E Connolly H C Crombie M K Daly M G Emery J P McCoy T J McMahon J W Scheeres D J Messenger S Nakamura-Messenger K Righter K Sandford S A |
| Institution: | 1.Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, USA ;2.NASA Goddard Space Flight Center, Greenbelt, MD, USA ;3.Lockheed Martin Space Systems, Littleton, CO, USA ;4.Department of Astronomy, University of Maryland, College Park, MD, USA ;5.Applied Physics Laboratory, The Johns Hopkins University, Laurel, MD, USA ;6.Massachusetts Institute of Technology, Cambridge, MA, USA ;7.Southwest Research Institute, Boulder, CO, USA ;8.Jet Propulsion Laboratory, Pasadena, CA, USA ;9.Arizona State University, Tempe, AZ, USA ;10.Ithaca College, Ithaca, NY, USA ;11.Rowan University, Glassboro, NJ, USA ;12.Indigo Information Services, Tucson, AZ, USA ;13.Centre for Research in Earth and Space Science, York University, Toronto, ON, M3J1P3, Canada ;14.University of Tennessee, Knoxville, TN, USA ;15.Smithsonian National Museum of Natural History, Washington, DC, USA ;16.University of Colorado, Boulder, CO, USA ;17.NASA Johnson Space Center, Houston, TX, USA ;18.NASA Ames Research Center, Moffett Field, CA, USA ; |
| Abstract: | In May of 2011, NASA selected the Origins, Spectral Interpretation, Resource Identification, and Security–Regolith Explorer (OSIRIS-REx) asteroid sample return mission as the third mission in the New Frontiers program. The other two New Frontiers missions are New Horizons, which explored Pluto during a flyby in July 2015 and is on its way for a flyby of Kuiper Belt object 2014 MU69 on January 1, 2019, and Juno, an orbiting mission that is studying the origin, evolution, and internal structure of Jupiter. The spacecraft departed for near-Earth asteroid (101955) Bennu aboard an United Launch Alliance Atlas V 411 evolved expendable launch vehicle at 7:05 p.m. EDT on September 8, 2016, on a seven-year journey to return samples from Bennu. The spacecraft is on an outbound-cruise trajectory that will result in a rendezvous with Bennu in November 2018. The science instruments on the spacecraft will survey Bennu to measure its physical, geological, and chemical properties, and the team will use these data to select a site on the surface to collect at least 60 g of asteroid regolith. The team will also analyze the remote-sensing data to perform a detailed study of the sample site for context, assess Bennu’s resource potential, refine estimates of its impact probability with Earth, and provide ground-truth data for the extensive astronomical data set collected on this asteroid. The spacecraft will leave Bennu in 2021 and return the sample to the Utah Test and Training Range (UTTR) on September 24, 2023. |
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