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Russian Soyuz 2.1b to launch first satellite for EKS early warning system


Russian Soyuz 2.1b to launch first satellite for EKS early warning system Russia is readying a Soyuz-2.1b rocket to launch the first satellite of its newest early warning system called EKS (meaning Unified Space System). The spacecraft, named Tundra, is scheduled to lift off at 2:00 a.m. EST (7:00 GMT) on Tuesday, Nov. 17, from Site 43/4 at the Plesetsk Cosmodrome, located in Northern Russia. The satellite will be delivered into a highly-elliptical geosynchronous orbit, called a Tundra orbit. It is a high inclination orbit, usually near 63.4 degrees, and an orbital period of about four minutes less than a solar day. A satellite placed in this orbit spends most of its time over a chosen area of the Earth. Tundra provides higher elevation angles than can be offered by a geostationary orbit.    More



(Source: SpaceFlight Insider - Nov 17)

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