The ATV-4 (ALBERT EINSTEIN) is a supply satellite operated by ESA with the OBJECT_ID 2013-027A and NORAD_CAT_ID 39175. Launched on June 5, 2013, from ELA3 at FRGUI using an Ariane 5ES/ATV launch vehicle, it has a pressurised section plus propulsion section configuration. Measuring 9.8 meters in length and 4.5 meters in diameter with a span of 22.3 meters, the satellite's dry mass is 13,286 kilograms, while its launch mass was 19,844 kilograms. The ATV-4 is equipped with four deployable solar arrays and batteries for power supply. Its mission lasted approximately 180 days, during which it supplied necessary goods to a space station. Manufactured by EADSB, the spacecraft features an R-4D-11-164x4 motor and has a shape described as cylindrical with four panels.