Long March 4B | Zi Yuan 1-2

China Aerospace Science and Technology Corporation flew Long March 4B | Zi Yuan 1-2 on a Long March 4B out of Taiyuan Satellite Launch Center, People's Republic of China, placing its payload in LEO.

Launch time
Status
SUCCESS
Operator
China Aerospace Science and Technology Corporation
Mission type
Earth Science
Rocket
Long March 4B
Launch site
Taiyuan Satellite Launch Center, People's Republic of China
Launch pad
Launch Complex 7
Payload
—
Target orbit
LEO
Long March 4B | Zi Yuan 1-2 cover image

Mission timeline

  1. 2003-10-21T03:16:00.000Z
    Liftoff
    Liftoff confirmed — Long March 4B is airborne.
  2. Max-Q
    Max Q — Long March 4B 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 LEO, successfully entering orbit.
  7. Mission success
    The mission concludes successfully.

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