ARTHUR-1, also known as Arthur, is a 12U CubeSat satellite manufactured by ASPLB and owned by the same entity. Launched on June 30, 2021, from Launch Complex 40 at Cape Canaveral Air Force Station (AFETR) using a Falcon 9 launch vehicle, ARTHUR-1 has dimensions of 0.3 meters in length and diameter, with a span of 0.3 meters. The satellite's dry mass is 20 kilograms and it was launched with the same mass. Its mission is for technology purposes, equipped with solar cells and batteries as its power source. ARTHUR-1 has a box shape but lacks additional details regarding its ADCS, RCS, material composition, or specific frequencies used for transmission.