IRIDIUM 61 is a communication satellite with the OBJECT_ID of 1998-018B and NORAD_CAT_ID of 25263. It was launched on March 25, 1998, from LC7 at TAI SC using the Chang Zheng 2C-III/SD launch vehicle. The satellite has dimensions of 3.5 meters in length, 1 meter in diameter, and a span of 5 meters. Its dry mass is 556 kg, and it had a launch mass of 667 kg. Equipped with two deployable solar arrays and batteries for power, IRIDIUM 61 was manufactured by MOTO and operates as part of the Iridium constellation. The satellite's configuration is LM-700A based on the LM700 bus, with a box shape complemented by two panels. Its RCS (Reflective Cross Section) value is 3.8157. Owned by IRID, it was designed for an 8-year mission lifetime and serves communication purposes in space.