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GPS Relative Navigation for the CanX-4 and CanX-5 Formation Flying Nanosatellites

Kahr, Erin and Roth, Niels and Montenbruck, Oliver and Risi, Ben and Zee, Robert E. (2018) GPS Relative Navigation for the CanX-4 and CanX-5 Formation Flying Nanosatellites. Journal of Spacecraft and Rockets. American Institute of Aeronautics and Astronautics (AIAA). doi: 10.2514/1.A34117. ISSN 0022-4650.

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In November 2014 the CanX-4 and CanX-5 spacecraft became the first nanosatellites to demonstrate autonomous formation control with error less than 1 m. This feat was accomplished both in along-track formations at 1000 and 500 m range and projected circular orbit formations at 100 and 50 m. This control performance was enabled through carrier-phase differential GPS navigation techniques, providing online relative state estimates typically accurate to better than 10 cm. It was an important milestone on the road to regular and fully operational formation-flying missions. This paper provides an overview of the relative positioning algorithm design, presents an independent assessment of the receiver performance, and assesses the absolute and relative navigation results. The mission’s on-orbit results are compared with an independently determined orbit solution computed using the GPS High Precision Orbit Determination Software Tools at the German Aerospace Centre.

Item URL in elib:https://elib.dlr.de/124360/
Document Type:Article
Title:GPS Relative Navigation for the CanX-4 and CanX-5 Formation Flying Nanosatellites
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Roth, NielsUniv. of TorontoUNSPECIFIED
Montenbruck, OliverDLR/GSOChttps://orcid.org/0000-0003-4783-745X
Risi, BenUniv. of TorontoUNSPECIFIED
Zee, Robert E.Univ. of TorontoUNSPECIFIED
Journal or Publication Title:Journal of Spacecraft and Rockets
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.2514/1.A34117
Publisher:American Institute of Aeronautics and Astronautics (AIAA)
Keywords:Formation flying, CanX-4/5, Cubesats, GPS, relative navigation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Vorhaben Infrastruktur und Unterstützung für Raumflugbetrieb (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training
Deposited By: Montenbruck, Dr.rer.nat.hab. Oliver
Deposited On:10 Dec 2018 16:46
Last Modified:10 Dec 2018 16:46

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