https://static1.squarespace.com/static/5418c831e4b0fa4ecac1bacd/t/56e9b62337013b6c063a655a/1458157095454/cds_rev13_final2.pdf CubeSat Design Specification Rev. 13], The CubeSat Program, Cal Poly SLO CubeSats have a mass of no more than 1 kilograms per unit, and often use commercial off-the-shelf (COTS) components for their electronics and structure.