Proton-K/DM | Gorizont 12

The Communications flight Proton-K/DM | Gorizont 12 departed Baikonur Cosmodrome, Republic of Kazakhstan atop a Proton-K/DM, bound for Direct-GEO.

Launch time
Status
SUCCESS
Operator
Soviet Space Program
Mission type
Communications
Rocket
Proton-K/DM
Launch site
Baikonur Cosmodrome, Republic of Kazakhstan
Launch pad
200/40
Payload
—
Target orbit
Direct-GEO
Proton-K/DM | Gorizont 12 cover image

Mission timeline

  1. 1986-06-10T00:49:00.000Z
    Liftoff
    Liftoff confirmed — Proton-K/DM is airborne.
  2. Max-Q
    Max Q — Proton-K/DM endures peak structural stress during ascent.
  3. Main engine cutoff (MECO)
    First-stage main engine cutoff (MECO) confirmed.
  4. Stage separation
    The spent first stage separates from the upper stage.
  5. Second-stage ignition
    Upper stage ignites, continuing the journey toward orbit.
  6. Orbit insertion
    The mission reaches Direct-GEO, successfully entering orbit.
  7. Mission success
    The mission concludes successfully.

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