CubeSail CubeSail is a proposed nanosatellite project by the Surrey Space Centre in England . The spacecraft is to be a 3U CubeSat propelled by a 25 m² solar sail . The project is financed and technically supported by aerospace manufacturers Astrium and Surrey Satellite Technology . The first successful solar sail spacecraft was the Japanese IKAROS mission , launched on 21 May 2010 .Overview The project is further developing technologies first tested on their STRaND-1 CubeSat , launched in February 2013 . CubeSail will deploy a 25 m2 solar sail, which will be used to demonstrate the propulsive effect of solar radiation pressure and the de-orbiting capabilities of the sail as a drag augmentation device.CubeSail will be a three-axis stabilised solar sail satellite. Attitude control is necessary because the orientation of the sail relative to the Sun direction will determine the propulsion force. Full three-axis attitude control will be performed by means of a centre of mass/centre of pressure offset technique , complemented by three magnetorquers and a reaction wheel . Attitude control can be enhanced by using the solar radiation pressure force on the sail to generate rotation torques. The radiation pressure can also be used to induce a change of altitude as well as orbital inclination . The spacecraft will be deployed in a low Earth orbit on a Sun-synchronous orbit .Configuration The CubeSail nanosatellite is a CubeSat of the 3U format. The satellite bus occupies approximately 1U, and the remaining 2U house the two-axis translation stage and sail-deployment subsystem.Objectives The objectives of the CubeSail mission are to demonstrate the concept of solar sail propulsion of a 3-axis stabilised 25 m2 solar sail for one year while in low Earth orbit ; and to demonstrate the use of gossamer structures as a drag augmentation device for satellite de-orbiting.
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