COSMOS 2519 (also known as Kosmos-2519) is a satellite operated by TSVS and manufactured by NPOLO. It was launched on June 23, 2017, from the PLMSC site LC43/4 using a Soyuz-2-1V launch vehicle. The spacecraft has dimensions of 3 meters in length and 1.3 meters in diameter with a span of 3 meters. Its dry mass is 400 kilograms, which matches its launch mass. It is identified by the OBJECT_ID 2017-037A and NORAD_CAT_ID 42798. The satellite's purpose involves technology testing and satellite inspection, carrying a payload named Nivelir-L No. 1. Its shape consists of a cylinder with two panels, and it utilizes a K50-10.5 thermal catalytic thruster among other unspecified motors for maneuvering.