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CanX 4, 5

CanX 4/5 [UTIAS]

CanX-4 and CanX-5 (Canadian Advanced Nanospace eXperiments) are a pair of identical nanosatellites, planned for launch in 2008. Their primary mission is the demonstration of on-orbit formation flying. In this context, formation flying is defined as two or more satellites controlling their position and orientation with respect to one another to achieve a predefined configuration necessary for coordinated operations.

CanX-4 and CanX-5 will use the technology proven aboard CanX-2 to achieve and maintain several controlled formations in orbit. Formation will be controlled with the second generation Nanosatellite Propulsion System (NANOPS) being developed at UTIAS/SFL. During the mission, the team will evaluate the propellant usage in autonomous formation control strategies.

To enable autonomous control, CanX-4/-5 will employ innovative carrier-phase differential GPS techniques to obtain relative position measurements accurate to less than 10 cm. This research is done in partnership with Prof. Elizabeth Cannon and Prof. Susan Skone at the University of Calgary. CanX-4 and CanX-5 will coordinate their operations using an SFL-developed inter-satellite communication link. Control strategies for formation maintenance will be provided by Prof. Christopher Damaren at UTIAS.

With thrusters located only on one side of each spacecraft, it is necessary to slew the satellites to a new attitude vector for each successive thrust during formation flying.

Nation: Canada
Type / Application: Technology
Operator: UTIAS (University of Toronto, Institute for Aerospace Studies)
Contractors: UTIAS
Equipment:
Configuration: Generic Nanosatellite Bus (GNB)
Propulsion: 4 cold gad thrusters
Power: Solar cells, batteries
Lifetime:
Mass: 15 kg
Orbit: 641 km × 659 km, 98.2 (#4); 642 km × 656 km, 98.2 (#5)
Satellite COSPAR Date LS Launch Vehicle Remarks
CanX 4 2014-034C 30.06.2014 Sr FLP PSLV-CA with SPOT 7, CanX 5, AISat 1, VELOX 1, VELOX P3
CanX 5 2014-034D 30.06.2014 Sr FLP PSLV-CA with SPOT 7, CanX 4, AISat 1, VELOX 1, VELOX P3

References: