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The Camera of the MASCOT Asteroid Lander on Board Hayabusa 2

Jaumann, R. and Schmitz, N. and Koncz, A. and Michaelis, H. and Mottola, S. and Trauthan, F. and Hoffmann, H. and Roatsch, T. and Jobs, D. and Kachlicki, J. and Pforte, B. and Terzer, R. and Tschentscher, M. and Weisse, S. and Müller, U. and Perez-Prieto, L. and Broll, B. and Kruselburger, A. and Ho, T.-M. and Biele, J. and Ulamec, S. and Krause, C. and Grott, M. and Bibring, J.P. and Watanabe, S. and Sugita, S. and Okada, T. and Yoshikawa, M. and Yabuta, H. (2016) The Camera of the MASCOT Asteroid Lander on Board Hayabusa 2. Space Science Reviews, 208, pp. 375-400. Springer. doi: 10.1007/s11214-016-0263-2. ISSN 0038-6308.

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Official URL: https://link.springer.com/article/10.1007/s11214-016-0263-2

Abstract

The MASCOT Camera (MasCam) is part of the Mobile Asteroid Surface Scout (MASCOT) lander’s science payload. MASCOT has been launched to asteroid (162173) Ryugu onboard JAXA’s Hayabusa 2 asteroid sample return mission on Dec 3rd, 2014. It is scheduled to arrive at Ryugu in 2018, and return samples to Earth by 2020. MasCam was designed and built by DLR’s Institute of Planetary Research, together with Airbus-DS Germany. The scientific goals of the MasCam investigation are to provide ground truth for the orbiter’s remote sensing observations, provide context for measurements by the other lander instruments (radiometer, spectrometer and magnetometer), the orbiter sampling experiment, and characterize the geological context, compositional variations and physical properties of the surface (e.g. rock and regolith particle size distributions). During daytime, clear filter images will be acquired. During night, illumination of the dark surface is performed by an LED array, equipped with 4×36 monochromatic light-emitting diodes (LEDs) working in four spectral bands. Color imaging will allow the identification of spectrally distinct surface units. Continued imaging during the surface mission phase and the acquisition of image series at different sun angles over the course of an asteroid day will contribute to the physical characterization of the surface and also allow the investigation of time-dependent processes and to determine the photometric properties of the regolith. The MasCam observations, combined with the MASCOT hyperspectral microscope (MMEGA) and radiometer (MARA) thermal observations, will cover a wide range of observational scales and serve as a strong tie point between Hayabusa 2’s remote-sensing scales (103–10−3 m) and sample scales (10−3–10−6 m). The descent sequence and the close-up images will reveal the surface features over a broad range of scales, allowing an assessment of the surface’s diversity and close the gap between the orbital observations and those made by the in-situ measurements. The MasCam is mounted inside the lander slightly tilted, such that the center of its 54.8° square field-of-view is directed towards the surface at an angle of 22° with respect to the surface plane. This is to ensure that both the surface close to the lander and the horizon are observable. The camera optics is designed according to the Scheimpflug principle, thus that the entire scene along the camera’s depth of field (150 mm to infinity) is in focus. The camera utilizes a 1024×1024 pixel CMOS sensor sensitive in the 400–1000 nm wavelength range, peaking at 600–700 nm. Together with the f-16 optics, this yields a nominal ground resolution of 150 micron/px at 150 mm distance (diffraction limited). The camera flight model has undergone standard radiometric and geometric calibration both at the component and system (lander) level. MasCam relies on the use of wavelet compression to maximize data return within stringent mission downlink limits. All calibration and flight data products will be generated and archived in the Planetary Data System in PDS image format.

Item URL in elib:https://elib.dlr.de/107135/
Document Type:Article
Title:The Camera of the MASCOT Asteroid Lander on Board Hayabusa 2
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Jaumann, R.DLR-Berlin, ralf.jaumann (at) dlr.deUNSPECIFIED
Schmitz, N.DLR-Berlin,Nicole.Schmitz (at) dlr.deUNSPECIFIED
Koncz, A.DLR-Berlin, Alexander.Koncz (at) dlr.deUNSPECIFIED
Michaelis, H.DLR-Berlin, harald.michaelis (at) dlr.deUNSPECIFIED
Mottola, S.DLR-Berlin, stefano.mottola (at) dlr.deUNSPECIFIED
Trauthan, F.DLR-Berlin, frank.trauthan (at) dlr.deUNSPECIFIED
Hoffmann, H.DLR-Berlin, harald.hoffmann (at) dlr.deUNSPECIFIED
Roatsch, T.DLR-Berlin, thomas.roatsch (at) dlr.deUNSPECIFIED
Jobs, D.DLR-Berlin, dietmar.jobs (at) dlr.deUNSPECIFIED
Kachlicki, J.DLR-Berlin, juergen.kachlicki (at) dlr.deUNSPECIFIED
Pforte, B.DLR-Berlin, bernd.pforte (at) dlr.deUNSPECIFIED
Terzer, R.DLR-Berlin, ronny.terzer (at) dlr.deUNSPECIFIED
Tschentscher, M.DLR-Belrin, matthias.tschentscher (at) dlr.deUNSPECIFIED
Weisse, S.DLR-Berlin, stefan.weisse (at) dlr.deUNSPECIFIED
Müller, U.DLR-Berlin, uwe.mueller (at) dlr.deUNSPECIFIED
Perez-Prieto, L.Airbus DS, GermanyUNSPECIFIED
Broll, B.Airbus DS, GermanyUNSPECIFIED
Kruselburger, A.Airbus DS, GermanyUNSPECIFIED
Ho, T.-M.DLR-Bremen, tra-mi.ho (at) dlr.deUNSPECIFIED
Biele, J.DLR-Köln, jens.biele (at) dlr.deUNSPECIFIED
Ulamec, S.DLR-Köln, stephan.ulamec (at) dlr.deUNSPECIFIED
Krause, C.DLR-Köln, christian.krause (at) dlr.deUNSPECIFIED
Grott, M.DLR-Berlin, matthias.grott (at) dlr.deUNSPECIFIED
Bibring, J.P.IAS, ParisUNSPECIFIED
Watanabe, S.Dep. of Earth and Planetary Sciences, Nagoya Univ. Furo-cho Chikusa-ku, Nagoya, JapaUNSPECIFIED
Sugita, S.University of Tokyo, Tokyo, JapanUNSPECIFIED
Okada, T.JSPEC/JAXA, Yoshinodai, JapanUNSPECIFIED
Yoshikawa, M.JSPEC, JAXA, JapanUNSPECIFIED
Yabuta, H.Osaka University, JapanUNSPECIFIED
Date:30 June 2016
Journal or Publication Title:Space Science Reviews
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:208
DOI :10.1007/s11214-016-0263-2
Page Range:pp. 375-400
Publisher:Springer
ISSN:0038-6308
Status:Published
Keywords:Mascot, Asteroid Lander, Hayabusa 2
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):R - Project MASCOT (old)
Location: Berlin-Adlershof , Bremen , Köln-Porz
Institutes and Institutions:Institute of Planetary Research
Space Operations and Astronaut Training > User center for space experiments (MUSC)
Institute of Planetary Research > Planetary Geology
Institute of Space Systems > Systems Engineering and Project Office
Institute of Planetary Research > Planetary Sensor Systems
Institute of Planetary Research > Asteroids and Comets
Institute of Planetary Research > Planetary Physics
Deposited By: Herrmann, Astrid
Deposited On:02 Nov 2016 17:43
Last Modified:27 May 2021 07:38

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