Soyuz U | Zenit-4MKT 18

Soviet Space Program flew Soyuz U | Zenit-4MKT 18 on a Soyuz U out of Plesetsk Cosmodrome, Russian Federation, placing its payload in LEO.

Launch time
Status
SUCCESS
Operator
Soviet Space Program
Mission type
Government/Top Secret
Rocket
Soyuz U
Launch site
Plesetsk Cosmodrome, Russian Federation
Launch pad
43/3 (43L)
Payload
—
Target orbit
LEO
Soyuz U | Zenit-4MKT 18 cover image

Mission timeline

  1. 1981-06-16T07:00:00.000Z
    Liftoff
    Soyuz U clears the pad at Plesetsk Cosmodrome, Russian Federation and begins its ascent.
  2. Max-Q
    Soyuz U pushes through the region of maximum dynamic pressure.
  3. Main engine cutoff (MECO)
    First stage completes its burn; main engine cutoff.
  4. Stage separation
    First and second stages separate on schedule.
  5. Second-stage ignition
    Second-stage ignition confirmed.
  6. Orbit insertion
    Orbital insertion burn complete; now in LEO.
  7. Mission success
    Mission declared a complete success.

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