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GNSS Satellite Orbit Validation Using Satellite Laser Ranging

Montenbruck, Oliver and Steigenberger, Peter and Kirchner, Georg (2013) GNSS Satellite Orbit Validation Using Satellite Laser Ranging. 18th International Workshop on Laser Ranging, 11.-15. Nov. 2013, Fujiyoshida.

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With a total of four new regional and global navigation sa tellite systems that have launched first satellites or even started an operational serv ice, the GNSS landscape has experienced major changes in recent years. As part of the Multi-GNSS Experiment (MGEX) of the International GNSS Service (IGS), a global networ k of multi-GNSS monitori ng stations has been established and various analysis ce nters have started to determine orbits of selected GNSSs on a routine basis. As a key feature, all satellites of the new constellations (i.e. Galileo, BeiDou, QZSS and IRNSS) are equipped with la ser ranging reflector arrays enabling high-precision two way ranging measurements. The paper illu strates the use of SLR observati ons collected by the ILRS for validation of precise and broadcast ephemerides of the new constellations. As an independent and unambiguous tracking system, SLR helps to gain a be tter understanding of the new satellites, which still lack a thorough characterization of their or bit and attitude dynamics. SLR tracking is thus considered an essential contribution for a future use of the new GNSSs in space geodesy. The paper also addresses operational aspects of SLR tracking of the new navigation satellites related to their specific orbits, regional distribution and continuously increasing number.

Item URL in elib:https://elib.dlr.de/87749/
Document Type:Conference or Workshop Item (Speech)
Title:GNSS Satellite Orbit Validation Using Satellite Laser Ranging
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Montenbruck, OliverDLRUNSPECIFIED
Steigenberger, PeterTUMUNSPECIFIED
Kirchner, GeorgAustrian Academy of SciencesUNSPECIFIED
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:MGEX, ILRS, Galileo, QZSS, BeiDou
Event Title:18th International Workshop on Laser Ranging
Event Location:Fujiyoshida
Event Type:international Conference
Event Dates:11.-15. Nov. 2013
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 Infrastruktur und Unterstützung für Raumflugbetrieb
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training
Deposited By: Montenbruck, Dr.rer.nat.hab. Oliver
Deposited On:17 Jan 2014 15:02
Last Modified:31 Jul 2019 19:44

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