SOYUZ-TM 28 was a crewed spacecraft, also known as Soyuz TM-28, launched on August 13, 1998, from the Tyuratam Launch Complex (TYMSC), specifically launch pad LC1, using a Soyuz-U-PVB launch vehicle. The satellite has a NORAD catalog ID of 25429 and is identified as OBJECT_ID 1998-047A. It was manufactured by PROGT in Russia and measures 7.9 meters in length with a diameter of 2.7 meters and a span of 10.6 meters. The spacecraft has a dry mass and launch mass of 2,620 kilograms each and is equipped with two deployable fixed solar arrays and batteries for power generation. Its shape consists of a cylinder, cone, sphere, and two panels (Cyl + Cone + Sphere + 2 Pan). It was owned by RKKE and carried the Soyuz 7K-STM No. 77 payload, designed as a crewed spacecraft with its propulsion system powered by KTDU-80 (S5.80) motors and equipped with an RCS system using 31 thrusters for maneuvering in space.