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GPS Orbit Determination for Micro-Satellites – The PROBA-2 Flight Experience

Montenbruck, Oliver und Markgraf, Markus und Santandrea, Stefano und Naudet, Joris (2010) GPS Orbit Determination for Micro-Satellites – The PROBA-2 Flight Experience. AIAA/AAS Astrodynamics Specialist Conference, 2-5 Aug 2010, Toronto, Canada.

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Kurzfassung

The PROBA-2 microsatellite of the European Space Agency (ESA) is equipped with a novel single frequency global positioning system (GPS) receiver, which combines low resource requirements with a high navigation performance. Aside from supporting the spacecraft and mission operations, the Phoenix GPS receiver on PROBA-2 is used to study realtime and offline navigation using single-frequency GPS measurements. A 1 m accuracy is targeted for both applications which has so far been the domain of dual-frequency receivers. Following a mission overview, the achievable performance for ground-based orbit determination and real-time onboard navigation is discussed for different processing concepts based on flight data collected during the first half year of mission operations. It is shown that a 1 m or better accuracy can be achieved in either case, despite sub-optimal GPS tracking conditions induced by the mission specific attitude profile. Besides self-consistency checks and comparisons with independent GPS based orbit determination solutions, the accuracy is evaluated using satellite laser ranging (SLR) measurements as an external reference. The results show that single-frequency GPS tracking is sufficient to meet the navigation requirements of even advanced remote sensing missions in low Earth orbit, if their accuracy potential is properly exploited.

Dokumentart:Konferenzbeitrag (Vortrag, Paper)
Titel:GPS Orbit Determination for Micro-Satellites – The PROBA-2 Flight Experience
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Montenbruck, Oliveroliver.montenbruck@dlr.de
Markgraf, Markusmarkus.markgraf@dlr.de
Santandrea, StefanoESA/ESTEC
Naudet, JorisQinetiq
Datum:2010
Status:veröffentlicht
Stichwörter:Phoenix GPS; PROBA-2; precise orbit determination; real-time navigation; XNS
Veranstaltungstitel:AIAA/AAS Astrodynamics Specialist Conference
Veranstaltungsort:Toronto, Canada
Veranstaltungsart:internationale Konferenz
Veranstaltungsdatum:2-5 Aug 2010
Veranstalter :AIAA
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W - keine Zuordnung
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W - keine Zuordnung
DLR - Teilgebiet (Projekt, Vorhaben):W -- keine Zuordnung (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Raumflugbetrieb und Astronautentraining
Hinterlegt von: Dr.rer.nat.hab. Oliver Montenbruck
Hinterlegt am:09 Mär 2011 11:42
Letzte Änderung:09 Mär 2011 11:42

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