The PROGRESS-M1 8 (Progress M1-8) is a cargo spacecraft launched by Russia on March 21, 2002, from the Tyuratam Space Center using a Soyuz-U-PVB launch vehicle. The spacecraft has dimensions of 7.9 meters in length and diameter, with a dry mass of 4500 kilograms and a launch mass of 7250 kilograms. It was manufactured by PROGT for cargo delivery purposes, equipped with two deployable fixed solar arrays and batteries to provide power. The mission utilized the Progress M1 No. 257 payload, featuring a motor type 11D428A. The satellite's shape consists of a sphere, cone, cylinder, and two pans. Its owner is RKKE (Russian Space Systems).