The ADCS testbed from Tensor Tech is an ADCS Simulator with a payload capacity of up to 30 kg and supports CubeSats up to 16 U. This customizable ADCS testbed consists of an air-bearing platform, a triaxial Helmholtz cage, and a solar simulator. It has a maximum magnetic flux density of 3 Gauss and a working area of 350 x 350 x 350 mm. It has a turbine torque of 5 μNm and a moment of inertia estimation error of 2 %. This testbed has a light spot dimension of 40 x 40 mm and a collimation of up to 4 deg. It has an attitude estimation error of 1 deg and the determined attitude can be remotely accessed using Testbed-TYF, a customer-supported software. The ADCS Testbed supports satellite missions that require advanced pointing and attitude determination capabilities, by facilitating calibration, measurement of the mass properties, and ADCS algorithms tests and validations.