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Tundra (EKS, 14F142)

The Tundra or EKS (Edinaya Kosmicheskaya Sistema) series of satellites is the next generation of Russian early warning satellites to replace the US-K and US-KMO early warning satellites of the Oko-1 system.

The development of the EKS started in 2000. The Russian Ministry of Defence awarded in 2007 a contract for the EKS system to RKK Energiya with a first test launch planned in 2009. Several problems, changing requirements and a court case led to long delays, postponing the first mission to the end of 2014.

Reportedly the Tundra satellites carry also a secure emergency communications payload to be used in case of a nuclear war.

They are launched on Soyuz-2-1b Fregat-M boosters into Molniya-orbits, inclined highly elliptical 12 h orbits.

The first Tundra satellite is to be launched in the last quarter of 2014 on a Soyuz-2-1b Fregat-M booster. Until 2020, six satellites are planned to be orbited.

Nation: Russia
Type / Application: Early warning, communication
Contractors: RKK Energiya (bus); TsNII Kometa (payload)
Configuration: USP Bus ?
Power: Deployable solar arrays, batteries
Orbit: 1626 km × 38552 km, 63.37 (#1)
Satellite COSPAR Date LS Launch Vehicle Remarks
Kosmos 2510 (Tundra 11L) 2015-066A 17.11.2015 Pl LC-43/4 Soyuz-2-1b Fregat-M
Kosmos 2518 (Tundra 12L) 2017-027A 25.05.2017 Pl LC-43/4 Soyuz-2-1b Fregat-M
Kosmos 2xxx (Tundra 13L) - Pl Soyuz-2-1b Fregat-M
Kosmos 2xxx (Tundra 14L) - Pl Soyuz-2-1b Fregat-M
Kosmos 2xxx (Tundra 15L) - Pl Soyuz-2-1b Fregat-M
Kosmos 2xxx (Tundra 16L) - 2020 Pl Soyuz-2-1b Fregat-M