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Flight Dynamics Challenges for the GRACE Follow-On Mission

Schlepp, Benjamin and Kirschner, Michael and Sweetser, Theodore H. and Klipstein, William M. and Dubovitsky, Serge (2015) Flight Dynamics Challenges for the GRACE Follow-On Mission. 25th International Symposium on Space Flight Dynamics (ISSFD), 19. - 23. Oct. 2015, Munich, Germany.

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The GRACE Follow-On (GRACE-FO) mission is a partnership between NASA and the German Research Centre for Geosciences (GFZ) and will be operated by the German Space Operations Centre (GSOC) / DLR. The baseline launch date is in August, 2017. It is a follow on mission for the successful GRACE (Gravity Recovery and Climate Experiment) mission. Two twin satellites are flying approximately 220 kilometers apart in a polar, nearly circular orbit starting at an altitude of 500 kilometers, which slowly decreases during the mission. For a nominal mission lifetime of 5 years detailed measurements of Earth’s gravity field and atmosphere are collected and provided to the science community to support an understanding of the distribution and flow of mass on and within the Earth. Key tasks are getting into and maintaining the formation of the two satellites and operation of the experimental Laser Ranging Interferometer (LRI) payload allowing highly accurate inter-satellite range rate determination. This paper gives an overview of the GRACE-FO mission and its main Flight Dynamics challenges. A deeper look into the formation acquisition strategy and the operations support of the LRI instrument is provided

Item URL in elib:https://elib.dlr.de/98835/
Document Type:Conference or Workshop Item (Speech)
Title:Flight Dynamics Challenges for the GRACE Follow-On Mission
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Schlepp, Benjaminbenjamin.schlepp (at) dlr.deUNSPECIFIED
Kirschner, Michaelmichael.kirschner (at) dlr.deUNSPECIFIED
Sweetser, Theodore H.theodore.h.sweetser (at) jpl.nasa.govUNSPECIFIED
Klipstein, William M.Jet Propulsion LaboratoryUNSPECIFIED
Dubovitsky, SergeJet Propulsion LaboratoryUNSPECIFIED
Date:October 2015
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:GRACE Follow-On Mission, Flight Dynamics Operations, Formation Flying, Laser Ranging Interferometer
Event Title:25th International Symposium on Space Flight Dynamics (ISSFD)
Event Location:Munich, Germany
Event Type:international Conference
Event Dates:19. - 23. Oct. 2015
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 GRACE Follow-On (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Space Flight Technology
Deposited By: Schlepp, Benjamin
Deposited On:27 Oct 2015 17:33
Last Modified:31 Jul 2019 19:55

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