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Relative Navigation to Non-cooperative Targets in LEO: Achievable Accuracy from Radar Tracking Measurements

Kahle, Ralph and Weigel, Martin and Kirschner, Michael and Spiridonova, Sofya and Kahr, Erin and Letsch, Klemens (2014) Relative Navigation to Non-cooperative Targets in LEO: Achievable Accuracy from Radar Tracking Measurements. International Journal of Space Science and Engineering, 2 (1), pp. 81-95. InderScience Publishers. ISSN 2048-8459

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Official URL: http://www.inderscience.com/jhome.php?jcode=ijspacese


Any future space debris removal or on-orbit servicing mission faces the problem of the initial relative orbit determination of the servicing satellite to the non-cooperative target. In this work we analyze the relative navigation accuracy that can be achieved in low Earth orbit, by using ground-based orbit determination from radar tracking measurements for the target, and classical GPS-based orbit determination for the servicing satellite. The analysis is based on the radar tracking measurements obtained from a 10x10x34 cm small object at an altitude of 635 km. The results show that the relative orbit can be determined with accuracy down to 2 m (RMS) in the semi-major axis, and down to 20 m (RMS) in both the radial and normal separations. From the results we derive requirements on radar-tracking campaigns.

Item URL in elib:https://elib.dlr.de/86997/
Document Type:Article
Title:Relative Navigation to Non-cooperative Targets in LEO: Achievable Accuracy from Radar Tracking Measurements
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kahle, Ralphralph.kahle (at) dlr.deUNSPECIFIED
Weigel, Martinmartin.weigel (at) dlr.deUNSPECIFIED
Kirschner, Michaelmichael.kirschner (at) dlr.deUNSPECIFIED
Spiridonova, Sofyasofya.spiridonova (at) dlr.deUNSPECIFIED
Kahr, ErinUniv. CalgaryUNSPECIFIED
Letsch, Klemensklemens.letsch (at) fhr.fraunhofer.deUNSPECIFIED
Journal or Publication Title:International Journal of Space Science and Engineering
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 81-95
Publisher:InderScience Publishers
Keywords:Relative Navigation, Radar Tracking, On-Orbit Servicing, Space Debris Removal
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben On-Orbit Servicing - GNC und VR
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Space Flight Technology
Deposited By: Kahle, Dr.-Ing. Ralph
Deposited On:19 Dec 2013 09:34
Last Modified:26 Mar 2014 10:05

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