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Preparation, Handover, and Conduction of PRISMA Mission Operations at GSOC

Faller, Ralf and Ohndorf, Andreas and Schlepp, Benjamin and Eberle, Sabrina (2012) Preparation, Handover, and Conduction of PRISMA Mission Operations at GSOC. 63rd Inernational Astronautical Conress, IAC2012, 01-05 Oct 2012, Naples, Italy.

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Abstract

The experimental satellite project PRISMA was initiated in 2005 by Sweden, France, Denmark, and Germany, with the Swedish Space Cooperation (SSC) as the project lead. The purpose was the demonstration of necessary techniques and the validation of the respective sensor technology for future missions that involve close formation flight and rendezvous in space. At that time, the German Aerospace Center DLR was not only involved in providing satellite GPS hardware and navigation software components but also as one of the experimenters for GPS-based navigation and autonomous formation flight. The idea of also conduction a part of the flight operations phase from Germany came into discussion at the end of 2009, with the purpose of sharing mission operations cost. This was agreed by Sweden and Germany shortly before launch of the two PRISMA satellites, which took place in June 2010. Nine months later, mission operations were handed over from SSC’s control center in Solna, Stockholm, to the German Space Operations Center (GSOC) in Oberpfaffenhofen, Germany. After successful operations by GSOC, the re-hand over of the mission back to Solna was performed in August 2011. The baseline concept for the German PRISMA ground segment foresaw cloning of the Swedish ground segment developed by SSC at GSOC to minimize the development and test effort, but specific adaptations were needed to integrate PRISMA into GSOC’s multimission environment. Furthermore, the original station network, which consisted only of the Kiruna ground station in North Sweden, was extended by two additional DLR ground stations in Weilheim, Germany, and in Inuvik, Canada. That extension proved especially beneficial to the shift concept. Another important aspect was the training of the German operations personnel in a short time. This was realized by training on the job concept, which kept the additional workload for teaching and training on acceptable levels and at the same time supported the Swedish flight operations team during their operations phase. This paper gives an overview of the GSOC ground segment and the flight operations activities. It reflects the challenges with regard to personnel and to the technical implementation of PRISMA flight operations at GSOC with limited available time. It also summarizes the lessons learned after five months of successful flight operations.

Document Type:Conference or Workshop Item (Paper)
Title:Preparation, Handover, and Conduction of PRISMA Mission Operations at GSOC
Authors:
AuthorsInstitution or Email of Authors
Faller, Ralfralf.faller@dlr.de
Ohndorf, Andreasandreas.ohndorf@dlr.de
Schlepp, Benjaminbenjamin.schlepp@dlr.de
Eberle, Sabrinasabrina.eberle@dlr.de
Date:5 October 2012
Status:Published
Keywords:PRISMA, mission operations, GSOC
Event Title:63rd Inernational Astronautical Conress, IAC2012
Event Location:Naples, Italy
Event Type:international Conference
Event Dates:01-05 Oct 2012
Organizer:International Astronautical Federation
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignement
DLR - Research area:Space
DLR - Program:W - no assignement
DLR - Research theme (Project):W -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Missions- Betrieb
Deposited By: Ralf Faller
Deposited On:16 Nov 2012 09:32
Last Modified:12 Dec 2013 21:51

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