Tundra n°7L

Tundra n°7L

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.
Last updated: May 10, 2024

Launch Information

Launch Information

Launch Vehicle Details

Mission NameTundra n°7L
Launch SiteSite 35/1, Plesetsk Cosmodrome, Russia
Launch VehicleAngara A5/Blok DM-03
AgencyVKS RF
Launch DateTBD - 2024

The US-K and US-KMO early warning satellites of the Oko-1 system will be replaced by the next generation of Russian early warning satellites, known as the Tundra or EKS (Edinaya Kosmicheskaya Sistema) series.The EKS was first developed in 2000. 2009 saw the first test launch of the EKS system, which was contracted by the Russian Ministry of Defense to RKK Energiya in 2007. Due to a number of issues, evolving specifications, and a legal dispute, the initial mission was delayed until the end of 2014.According to reports, in the event of a nuclear conflict, the Tundra satellites are also equipped with a secure emergency communications payload.

Launch Vehicle - Angara A5/Blok DM-03

PropellantRP-1/LOX
Rocket Height55.4 m
Stages3
Fairing Height15.2 m
Payload To LEO23000 Kg
Strap Ons4
Fairing Diameter4.35 m
Liftoff Thrust9610 kN
Payload To GTO5400 Kg