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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 (2013) Relative Navigation to Non-Cooperative Targets in LEO: Achievable Accuracy from Radar Tracking Measurements. 5th International Conference on Spacecraft Formation Flying Missions and Technologies, SFFMT 2013, 29.-31. Mai 2013, München, Deutschland.

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Abstract

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/83226/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Relative Navigation to Non-Cooperative Targets in LEO: Achievable Accuracy from Radar Tracking Measurements
Authors:
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, Erinerinkahr (at) hotmail.comUNSPECIFIED
Letsch, Klemensklemens.letsch (at) fhr.fraunhofer.deUNSPECIFIED
Date:2013
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Relative Navigation, Radar Tracking, On-Orbit Servicing, Space Debris Removal
Event Title:5th International Conference on Spacecraft Formation Flying Missions and Technologies, SFFMT 2013
Event Location:München, Deutschland
Event Type:international Conference
Event Dates:29.-31. Mai 2013
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignment
DLR - Program:no assignment
DLR - Research theme (Project):no assignment
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Space Flight Technology
Deposited By: Kahle, Dr.-Ing. Ralph
Deposited On:11 Jul 2013 09:14
Last Modified:31 Jul 2019 19:41

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