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Radiometric considerations for the detection of space debris with an optical sensor in LEO as a secondary goal of the AsteroidFinder mission

Krutz, Ulrike and Jahn, Herbert and Kührt, Ekkehard and Mottola, Stefano and Spietz, Peter (2011) Radiometric considerations for the detection of space debris with an optical sensor in LEO as a secondary goal of the AsteroidFinder mission. Acta Astronautica, Volume 69 (5-6), pp. 297-306. Elsevier. DOI: 10.1016/j.actaastro.2011.04.003 ISSN 0094-5765

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Abstract

The German Aerospace Center (DLR) is pursuing a national space program based on a Standard Satellite Bus (SSB) belonging to the compact class. After a review process, AsteroidFinder was selected to be the first mission featuring a DLR SSB. The mission is presently in its Phase-B development stage, with a launch planned for 2013. In addition to its primary goal of discovering Inner Earth Objects (IEOs), a secondary goal of the AsteroidFinder mission is to demonstrate the feasibility of the detection and statistical classification of cm-sized space debris with a satellite-based optical instrument. The increasing risk for astronauts and spacecraft caused by the growing number of space debris requires a deeper involvement in space debris investigations. Ground-based measurements of the particle population supported by either radar or optical instruments have become worldwide a standard method of research. However, the space-based detection is still in its infancy. As the debris' signal is not disturbed by the atmosphere in space, this method shall help to observe particularly small particles. In this paper the mission and payload will be introduced and the first simulations on the optical detectability of small objects will be discussed. The results of the radiometric considerations, which include the interaction of the debris size, the debris velocity and the particle’s distance to the camera, indicate that it is well possible to detect cm-sized objects with AsteroidFinder. Thus, information on statistics of the orbital debris population can be obtained.

Item URL in elib:https://elib.dlr.de/70603/
Document Type:Article
Title:Radiometric considerations for the detection of space debris with an optical sensor in LEO as a secondary goal of the AsteroidFinder mission
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Krutz, Ulrikeulrike.krutz (at) dlr.deUNSPECIFIED
Jahn, Herbertherbert.jahn (at) dlr.deUNSPECIFIED
Kührt, EkkehardEkkehard.Kuehrt (at) dlr.deUNSPECIFIED
Mottola, Stefanostefano.mottola (at) dlr.deUNSPECIFIED
Spietz, PeterPeter.Spietz (at) dlr.deUNSPECIFIED
Date:September 2011
Journal or Publication Title:Acta Astronautica
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:Volume 69
DOI :10.1016/j.actaastro.2011.04.003
Page Range:pp. 297-306
Publisher:Elsevier
ISSN:0094-5765
Status:Published
Keywords:AsteroidFinder, space debris, space-based observation, radiometry
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Proj. AsteroidenFinder - Instrumente (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Optical Information Systems
Deposited By: Krutz, Ulrike
Deposited On:08 Aug 2011 08:14
Last Modified:10 Jan 2019 15:39

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