|Operator||Russian Space Forces|
|Manufacturer||Reshetnev ISS |
|Launch mass||1,415 kilograms (3,120 lb) |
|Dimensions||1.3 metres (4 ft 3 in) diameter |
|Start of mission|
|Launch date||December 14, 2009, 10:38UTC|
|Launch site||Baikonur 81/24|
|Regime||Medium Earth orbit|
|Semi-major axis||25,509 kilometres (15,851 mi)|
|Perigee altitude||19,129 kilometres (11,886 mi)|
|Apogee altitude||19,132 kilometres (11,888 mi)|
Kosmos 2457 (Russian: Космос 2457 meaning Cosmos 2457) is one of a set of three Russian military satellites launched in 2009 as part of the GLONASS satellite navigation system. It was launched with Kosmos 2456 and Kosmos 2458.
Kosmos 2456/7/8 were launched from Site 81/24 at Baikonur Cosmodrome in Kazakhstan. A Proton-M carrier rocket with a Blok DM upper stage was used to perform the launch which took place at 10:38 UTC on 14 December 2009. The launch successfully placed the satellites into Medium Earth orbit. It subsequently received its Kosmos designation, and the international designator 2009-070B. The United States Space Command assigned it the Satellite Catalog Numbers 36112.