COSMOS 2511, also known as Kosmos-2511, is an Earth Observation satellite based on the Kanopus bus configuration and operated by VVKOV. It was launched from PLMSC LC43/4 using a Soyuz-2-1V launch vehicle on December 5, 2015, and achieved stable orbit on December 7, 2015. The satellite measures 1.3 meters in length, has a diameter of 2.6 meters, and its span is 4.4 meters. It weighs 491 kg at launch with the same dry mass. Equipped with a BIK-GYa-1 radiometer and KMVD-E camera for Earth Observation purposes, COSMOS 2511 derives power from deployable solar arrays and batteries. The satellite's shape is described as "Box + Pan" with a radar cross-section (RCS) of 3.314 m². Manufactured by KOSMT/POLK in Russia, the Kanopus-ST No. 1 payload enhances its Earth Observation capabilities.