Kosmos 2501 (Russian: Космос 2501 meaning Cosmos 2501), also known as Glonass-K1 No.12 is a Russian navigation satellite which was launched in 2014. The second Glonass-K satellite to be launched, it is the second of two Glonass-K1 spacecraft which will serve as prototypes for the operational Glonass-K2 spacecraft. The satellite is located in a medium Earth orbit with an apogee of 19,279 kilometres (11,979 mi), a perigee of 19,715 kilometres (12,250 mi), and 64.8 degrees of inclination. It is equipped with two solar panels to generate power, and is expected to remain in service for ten years.