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Russian Space Forces/Soyuz 2.1b Fregat-M·43/3 (43L)

Soyuz 2.1b/Fregat | Glonass-K1 No. 20

Orbit: MEO·Type: Navigation·Agencies: Russian Space Forces

Mission Elapsed Time (MET)

GMT Time
Spaceport
Launch Successful
Soyuz 2.1b/Fregat | Glonass-K1 No. 20 mission image
Vehicle: Soyuz 2.1b Fregat-MCredit: Roscosmos · Launch Library 2

Note: Satellite serial number and Cosmos designation not confirmed. Glonass-K are the third generation of satellite design for GLONASS satellite navigation system. GLONASS is a Russian space-based navigation system comparable to the similar GPS and Galileo systems. This generation improves on accuracy, power consumption and design life. Each satellite is unpressurized and weighs 935 kg, and has an operational lifetime of 10 years.

Target orbit
MEO · Medium Earth Orbit
Mission type
Navigation
Payload
Glonass-K1 No. 20
Agencies
Russian Space Forces

Target liftoff time (UTC)

16:50:00 UTC

Thursday, 17 September 2026

Instantaneous window

Planned T-0 liftoff

16:50:00 UTCWindow open
16:50:00 UTCPlanned ignition
16:50:00 UTCWindow close
Rocket family
Soyuz
Height
46.3m
Diameter
10.3m
Payload to LEO
8,200kg
Liftoff thrust
4,150kN
Stages
4