Geologic Context of the OSIRIS-REx Sample Site from High-resolution Topography and Imaging

被引：14

作者：

Barnouin, O. S. ^{[1
]}

Jawin, E. R. ^{[2
]}

Daly, R. T. ^{[1
]}

Ballouz, R. -l. ^{[1
]}

Daly, M. G. ^{[3
]}

Seabrook, J. A. ^{[3
]}

Michel, P. ^{[4
]}

Zhang, Y. ^{[4
]}

Johnson, C. L. ^{[5
,6
]}

Walsh, K. J. ^{[7
]}

Al Asad, M. M. ^{[5
]}

Gaskell, R. ^{[6
]}

Weirich, J. ^{[6
]}

Palmer, E. ^{[6
]}

Bierhaus, E. B. ^{[8
]}

Nolan, M. C. ^{[9
]}

Wolner, C. W. V. ^{[9
]}

Lauretta, D. S. ^{[9
]}

机构：

[1] Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA

[2] Smithsonian Natl Air & Space Museum, Washington, DC 20560 USA

[3] York Univ, Ctr Res Earth & Space Sci, Toronto, ON, Canada

[4] Univ Cote d Azur, Observ Cote Azur, CNRS, Lab Lagrange, CS 34229, F-06304 Nice 4, France

[5] Univ British Columbia, Vancouver, BC, Canada

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

[7] Southwestern Res Inst, Boulder, CO 80302 USA

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

[9] Univ Arizona, Lunar & Planetary Lab, Tucson, AZ 85721 USA

来源：

PLANETARY SCIENCE JOURNAL | 2022年 / 3卷 / 04期

关键词：

SMALL-SCALE TOPOGRAPHY; ROTATIONAL ACCELERATION; DISTRIBUTIONS; ENVIRONMENT; BEHAVIOR; VELOCITY; SURFACE; REPOSE; IMPACT; BENNU;

D O I：

10.3847/PSJ/ac5597

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The OSIRIS-REx spacecraft collected a surface sample from Hokioi crater (55.8 degrees N, 42.3 degrees E; diameter similar to 20 m) on the asteroid Bennu in 2020 October. We explore the geology of the sample collection site, known as Nightingale, by using digital terrain models, relative albedo maps, and images collected by the OSIRIS-REx spacecraft. Hokioi crater sits at the northwest edge of an older, larger (120 m diameter) crater between two north-south ridges respectively located at roughly 0 degrees and 90 degrees longitude, between which unconsolidated material generally migrates from the geopotential high at the north (+Z) pole to the geopotential low at the equator. The impact that formed Hokioi crater exposed relatively unweathered, fine-grained dark material that we observe within and ejected beyond the crater. The regional slope and steep crater walls to the north of the Nightingale site have enabled a mix of the dark debris and brighter material (which may include carbonates and/or exogenic basalts) surrounding Hokioi crater to migrate onto the crater floor, where the sample was collected; some of this material may be old ejecta excavated from up to 10 m depth when the 120 m diameter crater formed. We therefore expect the OSIRIS-REx sample to include materials of varying brightnesses, compositions, and exposure ages, derived primarily from the 0 degrees-90 degrees longitude quadrant and from as deep as 10 m. The sample may also include material derived from the impactor that formed Hokioi crater. We expect it to have low cohesion (MUCH LESS-THAN0.6 Pa) and a friction angle between 32 degrees and 39 degrees.

引用

页数：13

共 65 条

[1] A review on the angle of repose of granular materials [J].

Al-Hashemi, Hamzah M. Beakawi ;

Al-Amoudi, Omar S. Baghabra .

POWDER TECHNOLOGY, 2018, 330 :397-417

[2] An artificial impact on the asteroid (162173) Ryugu formed a crater in the gravity-dominated regime [J].

Arakawa, M. ;

Saiki, T. ;

Wada, K. ;

Ogawa, K. ;

Kadono, T. ;

Shirai, K. ;

Sawada, H. ;

Ishibashi, K. ;

Honda, R. ;

Sakatani, N. ;

Iijima, Y. ;

Okamoto, C. ;

Yano, H. ;

Takagi, Y. ;

Hayakawa, M. ;

Michel, P. ;

Jutzi, M. ;

Shimaki, Y. ;

Kimura, S. ;

Mimasu, Y. ;

Toda, T. ;

Imamura, H. ;

Nakazawa, S. ;

Hayakawa, H. ;

Sugita, S. ;

Morota, T. ;

Kameda, S. ;

Tatsumi, E. ;

Cho, Y. ;

Yoshioka, K. ;

Yokota, Y. ;

Matsuoka, M. ;

Yamada, M. ;

Kouyama, T. ;

Honda, C. ;

Tsuda, Y. ;

Watanabe, S. ;

Yoshikawa, M. ;

Tanaka, S. ;

Terui, F. ;

Kikuchi, S. ;

Yamaguchi, T. ;

Ogawa, N. ;

Ono, G. ;

Yoshikawa, K. ;

Takahashi, T. ;

Takei, Y. ;

Fujii, A. ;

Takeuchi, H. ;

Yamamoto, Y. .

SCIENCE, 2020, 368 (6486) :67-+

[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] Modified granular impact force laws for the OSIRIS-REx touchdown on the surface of asteroid (101955) Bennu [J].

Ballouz, R-L ;

Walsh, K. J. ;

Sanchez, P. ;

Holsapple, K. A. ;

Michel, P. ;

Scheeres, D. J. ;

Zhang, Y. ;

Richardson, D. C. ;

Barnouin, O. S. ;

Nolan, M. C. ;

Bierhaus, E. B. ;

Connolly, H. C. ;

Schwartz, S. R. ;

Celik, O. ;

Baba, M. ;

Lauretta, D. S. .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2021, 507 (04) :5087-5105

[5] The Formation of Terraces on Asteroid (101955) Bennu [J].

Barnouin, O. S. ;

Daly, M. G. ;

Seabrook, J. A. ;

Zhang, Y. ;

Thuillet, F. ;

Michel, P. ;

Roberts, J. H. ;

Daly, R. T. ;

Perry, M. E. ;

Susorney, H. C. M. ;

Jawin, E. R. ;

Ballouz, R-L ;

Walsh, K. J. ;

Sevalia, M. M. ;

Al Asad, M. M. ;

Johnson, C. L. ;

Bierhaus, E. B. ;

Gaskell, R. W. ;

Palmer, E. E. ;

Weirich, J. ;

Rizk, B. ;

D'Aubigny, C. Y. Drouet ;

Nolan, M. C. ;

DellaGiustina, D. N. ;

Scheeres, D. J. ;

McMahon, J. W. ;

Connolly, H. C. ;

Richardson, D. C. ;

Wolner, C. W., V ;

Lauretta, D. S. .

JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS, 2022, 127 (04)

[6] 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

[7] 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-+

[8] Small-scale topography of 25143 Itokawa from the Hayabusa laser altimeter [J].

Barnouin-Jha, Olivier S. ;

Cheng, Andrew F. ;

Mukai, Tadashi ;

Abe, Shinsuke ;

Hirata, Naru ;

Nakamura, Ryosuke ;

Gaskell, Robert W. ;

Saito, Jun ;

Clark, Beth E. .

ICARUS, 2008, 198 (01) :108-124

[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] Crater population on asteroid (101955) Bennu indicates impact armouring and a young surface [J].

Bierhaus, E. B. ;

Trang, D. ;

Daly, R. T. ;

Bennett, C. A. ;

Barnouin, O. S. ;

Walsh, K. J. ;

Ballouz, R. -l. ;

Bottke, W. F. ;

Burke, K. N. ;

Perry, M. E. ;

Jawin, E. R. ;

McCoy, T. J. ;

Connolly, H. C., Jr. ;

Daly, M. G. ;

Dworkin, J. P. ;

DellaGiustina, D. N. ;

Gay, P. L. ;

Brodbeck, J. I. ;

Nolau, J. ;

Padilla, J. ;

Stewart, S. ;

Schwartz, S. ;

Michel, P. ;

Pajola, M. ;

Lauretta, D. S. .

NATURE GEOSCIENCE, 2022, 15 (06) :440-+

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