Particle Size-Frequency Distributions of the OSIRIS-REx Candidate Sample Sites on Asteroid (101955) Bennu

被引：44

作者：

Burke, Keara N. ^{[1
]}

DellaGiustina, Daniella N. ^{[1
]}

Bennett, Carina A. ^{[1
]}

Walsh, Kevin J. ^{[2
]}

Pajola, Maurizio ^{[3
]}

Bierhaus, Edward B. ^{[4
]}

Nolan, Michael C. ^{[1
]}

Boynton, William V. ^{[1
]}

Brodbeck, Juliette I. ^{[1
]}

Connolly, Harold C. ^{[1
,5
]}

Prasanna Deshapriya, Jasinghege Don ^{[6
,7
]}

Dworkin, Jason P. ^{[8
]}

Elder, Catherine M. ^{[9
]}

Golish, Dathon R. ^{[1
]}

Hoover, Rachael H. ^{[2
]}

Jawin, Erica R. ^{[10
]}

McCoy, Timothy J. ^{[10
]}

Michel, Patrick ^{[11
]}

Molaro, Jamie L. ^{[12
]}

Nolau, Jennifer O. ^{[13
]}

Padilla, Jacob ^{[1
]}

Rizk, Bashar ^{[1
]}

Robbins, Stuart J. ^{[2
]}

Sahr, Eric M. ^{[14
]}

Smith, Peter H. ^{[1
]}

Stewart, Stephanie J. ^{[1
]}

Susorney, Hannah C. M. ^{[15
,16
]}

Enos, Heather L. ^{[1
]}

Lauretta, Dante S. ^{[1
]}

机构：

[1] Univ Arizona, Lunar & Planetary Lab, Tucson, AZ 85705 USA

[2] Southwest Res Inst, Boulder, CO 80302 USA

[3] Astron Observ Padova, Ist Nazl Astrofis, I-35122 Padua, Italy

[4] Lockheed Martin Space, Littleton, CO 80125 USA

[5] Rowan Univ, Sch Earth & Environm, Dept Geol, Glassboro, NJ 08028 USA

[6] Sorbonne Univ, Univ Paris, Observ Paris,CNRS, Univ PSL,Paris Sci & Lettres,LESIA Lab Etud Spati, F-92195 Meudon, France

[7] Osserv Astron Roma, Ist Nazl Astrofis, Via Frascati 33, I-00078 Monte Porzio Catone, Italy

[8] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[9] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[10] Natl Museum Nat Hist, Smithsonian Inst, Washington, DC 20560 USA

[11] Univ Cote Azur, Observ Cote Azur, CNRS, Lab Lagrange, BP 4229, F-06304 Nice 4, France

[12] Planetary Sci Inst, Tucson, AZ 85719 USA

[13] Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA

[14] KinetX Aerosp, Tempe, AZ 85284 USA

[15] Univ British Columbia, Dept Earth Ocean & Atmospher Sci, Vancouver, BC V6T 1Z4, Canada

[16] Univ Bristol, Sch Earth Sci, Bristol BS8 4JX, Avon, England

来源：

REMOTE SENSING | 2021年 / 13卷 / 07期

基金：

欧盟地平线“2020”;

关键词：

particle size-frequency distributions; power laws; rubble-pile asteroids; fragmentation; DYNAMICAL EVOLUTION; SECONDARY CRATERS; LANDING SITE; BOULDERS; REGOLITH; SURFACE; BLOCKS; LUNAR; MARS;

D O I：

10.3390/rs13071315

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

We manually mapped particles ranging in longest axis from 0.3 cm to 95 m on (101955) Bennu for the Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer (OSIRIS-REx) asteroid sample return mission. This enabled the mission to identify candidate sample collection sites and shed light on the processes that have shaped the surface of this rubble-pile asteroid. Building on a global survey of particles, we used higher-resolution data from regional observations to calculate particle size-frequency distributions (PSFDs) and assess the viability of four candidate sites for sample collection (presence of unobstructed particles <= 2 cm). The four candidate sites have common characteristics: each is situated within a crater with a relative abundance of sampleable material. Their PSFDs, however, indicate that each site has experienced different geologic processing. The PSFD power-law slopes range from -3.0 +/- 0.2 to -2.3 +/- 0.1 across the four sites, based on images with a 0.01-m pixel scale. These values are consistent with, or shallower than, the global survey measurements. At one site, Osprey, the particle packing density appears to reach geometric saturation. We evaluate the uncertainty in these measurements and discuss their implications for other remotely sensed and mapped particles, and their importance to OSIRIS-REx sampling operations.

引用

页数：25

共 72 条

[1] STANDARD TECHNIQUES FOR PRESENTATION AND ANALYSIS OF CRATER SIZE-FREQUENCY DATA [J].

不详 .

ICARUS, 1979, 37 (02) :467-474

[2]

[Anonymous], 1997, Fractals and Chaos in Geology and Geophysics

[3] Bennu's near-Earth lifetime of 1.75 million years inferred from craters on its boulders [J].

Ballouz, R. -L. ;

Walsh, K. J. ;

Barnouin, O. S. ;

DellaGiustina, D. N. ;

Asad, M. Al ;

Jawin, E. R. ;

Daly, M. G. ;

Bottke, W. F. ;

Michel, P. ;

Avdellidou, C. ;

Delbo, M. ;

Daly, R. T. ;

Asphaug, E. ;

Bennett, C. A. ;

Bierhaus, E. B. ;

Connolly, H. C., Jr. ;

Golish, D. R. ;

Molaro, J. L. ;

Nolan, M. C. ;

Pajola, M. ;

Rizk, B. ;

Schwartz, S. R. ;

Trang, D. ;

Wolner, C. W. V. ;

Lauretta, D. S. .

NATURE, 2020, 587 (7833) :205-+

[4] Digital terrain mapping by the OSIRIS-REx mission [J].

Barnouin, O. S. ;

Daly, M. G. ;

Palmer, E. E. ;

Johnson, C. L. ;

Gaskell, R. W. ;

Al Asad, M. ;

Bierhaus, E. B. ;

Craft, K. L. ;

Ernst, C. M. ;

Espiritu, R. C. ;

Nair, H. ;

Neumann, G. A. ;

Nguyen, L. ;

Nolan, M. C. ;

Mazarico, E. ;

Perry, M. E. ;

Philpott, L. C. ;

Roberts, J. H. ;

Steele, R. J. ;

Seabrook, J. ;

Susorney, H. C. M. ;

Weirich, J. R. ;

Lauretta, D. S. .

PLANETARY AND SPACE SCIENCE, 2020, 180

[5] Shape of (101955) Bennu indicative of a rubble pile with internal stiffness [J].

Barnouin, O. S. ;

Daly, M. G. ;

Palmer, E. E. ;

Gaskell, R. W. ;

Weirich, J. R. ;

Roberts, J. H. ;

Perry, M. E. ;

Daly, R. T. ;

Seabrook, J. A. ;

Espiritu, R. C. ;

Nair, A. H. ;

Nguyen, L. ;

Neumann, G. A. ;

Ernst, C. M. ;

Nolan, M. C. ;

Adam, C. D. ;

Moreau, M. C. ;

Rizk, B. ;

D'Aubigny, C. Y. Drouet ;

Jawin, E. R. ;

Walsh, K. J. ;

Michel, P. ;

Mazarico, E. M. ;

Scheeres, D. J. ;

McMahon, J. W. ;

Bottke, W. F. ;

Sugita, S. ;

Hirata, N. ;

Watanabe, S. -i. ;

Highsmith, D. E. ;

Small, J. ;

Vokrouhlicky, D. ;

Bowles, N. E. ;

Brown, E. ;

Hanna, K. L. Donaldson ;

Warren, T. ;

Brunet, C. ;

Chicoine, R. A. ;

Desjardins, S. ;

Gaudreau, D. ;

Haltigin, T. ;

Millington-Veloza, S. ;

Rubi, A. ;

Aponte, J. ;

Gorius, N. ;

Lunsford, A. ;

Allen, B. ;

Grindlay, J. ;

Guevel, D. ;

Hoak, D. .

NATURE GEOSCIENCE, 2019, 12 (04) :247-+

[6] Using lunar boulders to distinguish primary from distant secondary impact craters [J].

Bart, Gwendolyn D. ;

Melosh, H. J. .

GEOPHYSICAL RESEARCH LETTERS, 2007, 34 (07)

[7] Distributions of boulders ejected from lunar craters [J].

Bart, Gwendolyn D. ;

Melosh, H. J. .

ICARUS, 2010, 209 (02) :337-357

[8] Survival times of meter-sized boulders on the surface of the Moon [J].

Basilevsky, A. T. ;

Head, J. W. ;

Horz, F. .

PLANETARY AND SPACE SCIENCE, 2013, 89 :118-126

[9] A high-resolution global basemap of (101955) Bennu [J].

Bennett, C. A. ;

DellaGiustina, D. N. ;

Becker, K. J. ;

Becker, T. L. ;

Edmundson, K. L. ;

Golish, D. R. ;

Bennett, R. J. ;

Burke, K. N. ;

Cue, C. N. U. ;

Clark, B. E. ;

Contreras, J. ;

Deshapriya, J. D. P. ;

D'Aubigny, C. Drouet ;

Fitzgibbon, G. ;

Jawin, E. R. ;

Nolan, T. Q. ;

Porter, N. A. ;

Riehl, M. M. ;

Roper, H. L. ;

Rizk, B. ;

Tang, Y. ;

Zeszut, Z. ;

Gaskell, R. W. ;

Palmer, E. E. ;

Weirich, J. R. ;

Al Asad, M. M. ;

Philpott, L. ;

Daly, M. G. ;

Barnouin, O. S. ;

Enos, H. L. ;

Lauretta, D. S. .

ICARUS, 2021, 357

[10] Bennu regolith mobilized by TAGSAM: Expectations for the OSIRIS-REx sample collection event and application to understanding naturally ejected particles [J].

Bierhaus, E. B. ;

Songer, J. T. ;

Clark, B. C. ;

Dubisher, R. D. ;

Deden, S. L. ;

Payne, K. S. ;

Wurts, D. ;

McMahon, J. W. ;

Rozitis, B. ;

Lauretta, D. S. .

ICARUS, 2021, 355

← 1 2 3 4 5 6 7 8 →