Thor Delta E | ESSA 5

The Earth Science flight Thor Delta E | ESSA 5 departed Vandenberg SFB, CA, USA atop a Thor Delta E, bound for SSO.

Launch time
Status
SUCCESS
Operator
United States Air Force
Mission type
Earth Science
Rocket
Thor Delta E
Launch site
Vandenberg SFB, CA, USA
Launch pad
Space Launch Complex 2E
Payload
—
Target orbit
SSO
Thor Delta E | ESSA 5 cover image

Mission timeline

  1. 1967-04-20T11:21:10.000Z
    Liftoff
    Liftoff confirmed — Thor Delta E is airborne.
  2. Max-Q
    Max Q — Thor Delta E 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 SSO, successfully entering orbit.
  7. Mission success
    The mission concludes successfully.

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