PROGRESS 42, also known as Progress-42, is a cargo satellite with a NORAD catalog ID of 20602 and an object ID of 1990-041A. It was launched on May 5, 1990, from the TYMSC launch site using a Soyuz-U2 launch vehicle from LC1 pad. The satellite has dimensions of 7.9 meters in length and 2.7 meters in diameter with a span of 7.9 meters. Its dry mass is 4602 kg, and it had an initial launch mass of 7011 kg. It was manufactured by NPOE and its mission purpose was to deliver cargo. The satellite has a motor type KTDU-80 and uses batteries for power supply. The shape of the spacecraft consists of a combination of sphere, cone, cylinder, and pan elements. Its RCS (Reaction Control System) is rated at 0.01. The PROGRESS 42 was owned by NPOE and its payload was identified as Progress 7K-TG No. 150.