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The Hayabusa2 lander MASCOT on the surface of Asteroid (162173) Ryugu -- Stereo-photogrammetric analysis of MASCam image data

Scholten, Frank and Preusker, Frank and Elgner, Stephan and Matz, K-D and Jaumann, R and Hamm, Maximilian and Schröder, Stefan and Koncz, Alexander and Schmitz, Nicole and Trauthan, Frank and Grott, Matthias and Biele, Jens and Ho, Tra-Mi and Kameda, Shingo and Sugita, S. (2019) The Hayabusa2 lander MASCOT on the surface of Asteroid (162173) Ryugu -- Stereo-photogrammetric analysis of MASCam image data. Astronomy & Astrophysics, 632, L5. EDP Sciences. doi: 10.1051/0004-6361/201936760. ISSN 0004-6361.

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Official URL: https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/201936760


After its release and a descent and bouncing phase, the Hayabusa2 lander MASCOT came to a final rest and MASCOT's cameraMASCam acquired a set of images of the surface of Ryugu. With MASCam's instantaneous field of view of about 1 mrad, the imagesprovide pixel scales from 0.2 to 0.5 mm/pixel in the foreground and up to 1 cm/pixel for surface parts in the background. Using astereo-photogrammetric analysis of the MASCam images taken from slightly different positions due to commanded and unintentionalmovements of the MASCOT lander, we were able to determine the orientation for the different measurement positions. Furthermore,we derived a 3D surface model of MASCOT's vicinity. Although the conditions for 3D stereo processing were poor due to very smallstereo angles, the derived 3D model has about 0.5 cm accuracy in the foreground at 20 cm distance and about 1.5 cm at a distance of40-50 cm.

Item URL in elib:https://elib.dlr.de/131281/
Document Type:Article
Title:The Hayabusa2 lander MASCOT on the surface of Asteroid (162173) Ryugu -- Stereo-photogrammetric analysis of MASCam image data
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Scholten, FrankFrank.Scholten (at) dlr.deUNSPECIFIED
Preusker, Frankfrank.preusker (at) dlr.deUNSPECIFIED
Elgner, StephanStephan.Elgner (at) dlr.deUNSPECIFIED
Matz, K-Dklaus-dieter.matz (at) dlr.deUNSPECIFIED
Jaumann, Rralf.jaumann (at) dlr.deUNSPECIFIED
Hamm, Maximilianmaximilian.hamm (at) dlr.deUNSPECIFIED
Schröder, StefanStefanus.Schroeder (at) dlr.dehttps://orcid.org/0000-0003-0323-8324
Koncz, AlexanderAlexander.Koncz (at) dlr.deUNSPECIFIED
Schmitz, NicoleNicole.Schmitz (at) dlr.dehttps://orcid.org/0000-0001-6481-6189
Trauthan, FrankFrank.Trauthan (at) dlr.deUNSPECIFIED
Grott, MatthiasMatthias.Grott (at) dlr.deUNSPECIFIED
Biele, JensJens.Biele (at) dlr.deUNSPECIFIED
Ho, Tra-MiTra-Mi.Ho (at) dlr.deUNSPECIFIED
Kameda, ShingoDep. of Physics, Rikkyo University, TokyoUNSPECIFIED
Sugita, S.University of Tokyo, Tokyo, JapanUNSPECIFIED
Journal or Publication Title:Astronomy & Astrophysics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1051/0004-6361/201936760
Page Range:L5
Publisher:EDP Sciences
Keywords:MASCOT, MASCam, data analysis, image processing, asteroid, Ryugu
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):Project MASCOT Science and operation (old)
Location: Berlin-Adlershof , Bremen , Köln-Porz
Institutes and Institutions:Institute of Planetary Research > Planetary Geodesy
Institute of Planetary Research > Planetary Geology
Institute of Planetary Research > Planetary Physics
Institute of Planetary Research > Planetary Sensor Systems
Space Operations and Astronaut Training > User center for space experiments (MUSC)
Institute of Space Systems > Systems Engineering and Project Office
Deposited By: Scholten, Dipl.-Ing. Frank
Deposited On:28 Nov 2019 09:18
Last Modified:23 Mar 2020 14:25

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