HSAT (also known as HSAT-1) is a 6U CubeSat satellite launched by HARR on November 29, 2018, from the Satish Dhawan Space Centre using a PSLV launch vehicle. Measuring 0.3 meters in length and 0.1 meters in diameter with a span of 1.3 meters, it has a dry mass of 13.2 kilograms, identical to its launch mass. The satellite's shape is described as box-like with two panels and a boom structure. HSAT-1 is equipped with solar cells and batteries for power generation and is intended for experimental purposes. The satellite was manufactured by HARR and operates in an experimental capacity.