Soyuz 2.1b/Fregat | EKS 4 (Tundra 4) (Kosmos 2546)

A Soyuz 2.1b/Fregat rocket launched Soyuz 2.1b/Fregat | EKS 4 (Tundra 4) (Kosmos 2546) from Plesetsk Cosmodrome, Russian Federation, targeting MEO.

Launch time
Status
SUCCESS
Operator
Russian Space Forces
Mission type
Government/Top Secret
Rocket
Soyuz 2.1b/Fregat
Launch site
Plesetsk Cosmodrome, Russian Federation
Launch pad
43/4 (43R)
Payload
—
Target orbit
MEO
Soyuz 2.1b/Fregat | EKS 4 (Tundra 4) (Kosmos 2546) cover image

Mission timeline

  1. 2020-05-22T07:31:17.000Z
    Liftoff
    Soyuz 2.1b/Fregat roars off the pad at Plesetsk Cosmodrome, Russian Federation.
  2. Max-Q
    The vehicle reaches Max Q, the highest aerodynamic load of the flight.
  3. Main engine cutoff (MECO)
    MECO — first-stage propulsion ends after a nominal burn.
  4. Stage separation
    Clean stage separation confirmed.
  5. Second-stage ignition
    The upper-stage engine lights up after separation.
  6. Orbit insertion
    Orbit insertion confirmed — now circling in MEO.
  7. Mission success
    All mission objectives achieved.

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