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The Tandem-L Formation Flying Mission

Kahle, Ralph and Wermuth, Martin and Borla Tridon, Daniela and Sica, Francescopaolo and Bojarski, Allan and Bachmann, Markus (2019) The Tandem-L Formation Flying Mission. In: Proceedings of 18th Australian International Aerospace Congress. 18th Australian International Aerospace Congress (AIAC) / 27th International Symposium on Space Flight Dynamics (ISSFD), 2019-02-24 - 2019-02-28, Melbourne, Australia.

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Tandem-L is a challenging bi-static L-band SAR mission with the goal to provide substantial contributions to the better understanding of Earth system dynamics. Two identical 3-ton satellites proposed to launch in 2024 will be operated in close formation. Featuring latest digital beamforming techniques in combination with a large deployable reflector will enable SAR acquisitions with increased swath width and imaging resolution. Tandem-L will provide vital information for solving pressing scientific questions in the biosphere, geosphere, cryosphere, and hydrosphere. This paper elaborates on the challenging navigation and formation control requirements as derived from the mission objectives. The focus is on the orbit control strategy foreseen to meet the large and frequent formation adjustments implied by the observation concept. The optimized formation geometries and schedule are presented proofing the feasibility of this ambitious formation-flying mission.

Item URL in elib:https://elib.dlr.de/131082/
Document Type:Conference or Workshop Item (Speech)
Title:The Tandem-L Formation Flying Mission
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Borla Tridon, DanielaUNSPECIFIEDhttps://orcid.org/0000-0002-9885-0999UNSPECIFIED
Sica, FrancescopaoloUNSPECIFIEDhttps://orcid.org/0000-0003-1593-1492UNSPECIFIED
Bojarski, AllanUNSPECIFIEDhttps://orcid.org/0000-0002-6729-6665UNSPECIFIED
Bachmann, MarkusUNSPECIFIEDhttps://orcid.org/0000-0002-6028-4303UNSPECIFIED
Date:February 2019
Journal or Publication Title:Proceedings of 18th Australian International Aerospace Congress
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Tandem-L Formation flying Mission analysis
Event Title:18th Australian International Aerospace Congress (AIAC) / 27th International Symposium on Space Flight Dynamics (ISSFD)
Event Location:Melbourne, Australia
Event Type:international Conference
Event Dates:2019-02-24 - 2019-02-28
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Vorhaben Tandem-L Vorstudien (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Space Flight Technology
Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Kahle, Dr.-Ing. Ralph
Deposited On:22 Nov 2019 19:30
Last Modified:22 Nov 2019 19:30

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