Digital terrain mapping by the OSIRIS-REx mission

被引：91

作者：

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

Daly, M. G. ^{[2
]}

Palmer, E. E. ^{[3
]}

Johnson, C. L. ^{[3
,4
]}

Gaskell, R. W. ^{[3
]}

Al Asad, M. ^{[4
]}

Bierhaus, E. B. ^{[5
]}

Craft, K. L. ^{[1
]}

Ernst, C. M. ^{[1
]}

Espiritu, R. C. ^{[1
]}

Nair, H. ^{[1
]}

Neumann, G. A. ^{[6
]}

Nguyen, L. ^{[1
]}

Nolan, M. C. ^{[7
]}

Mazarico, E. ^{[6
]}

Perry, M. E. ^{[1
]}

Philpott, L. C. ^{[4
]}

Roberts, J. H. ^{[1
]}

Steele, R. J. ^{[1
]}

Seabrook, J. ^{[2
]}

Susorney, H. C. M. ^{[4
]}

Weirich, J. R. ^{[3
]}

Lauretta, D. S. ^{[7
]}

机构：

[1] Johns Hopkins Univ, Appl Phys Lab, 11100 Johns Hopkins Rd, Laurel, MD 20723 USA

[2] York Univ, Ctr Res Earth & Space Sci, Toronto, ON M3J 1P3, Canada

[3] Planetary Sci Inst, 1700 East Ft Lowell,Suite 106, Tucson, AZ 85719 USA

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

[5] Lockheed Martin Space Syst Co, POB 179,Mail Stop S8110, Denver, CO 80201 USA

[6] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA

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

来源：

PLANETARY AND SPACE SCIENCE | 2020年 / 180卷

关键词：

Asteroid shapes; Digital terrain models; Stereophotoclinometry; Laser altimetry; (101955) bennu; OSIRIS-REx mission; SMALL-SCALE TOPOGRAPHY; ASTEROID; 101955; BENNU; 433; EROS; LASER ALTIMETRY; SMALL BODIES; MASS; LIGHTCURVE; POROSITY; 433-EROS; ITOKAWA;

D O I：

10.1016/j.pss.2019.104764

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer mission will return a sample to Earth from asteroid (101955) Bennu. Digital terrain models (DTMs) of the asteroid, and products enabled by them, are key to understanding the origin and evolution of the asteroid, providing geological and geophysical context for the sample, maximizing the amount of sample returned, navigating the spacecraft, and ensuring the safety of the spacecraft during sampling. The mission has two approaches for producing these DTMs: a camera-based approach and a lidar-based approach. We provide an overview of the methods used for these two approaches and how they fit into the originally planned mission. We also discuss a summary of tests using these plans to evaluate the expected performance of the DTMs and describe the data products derived from them.

引用

页数：16

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