Thor Delta L | HEOS 2

United States Air Force flew Thor Delta L | HEOS 2 on a Thor Delta L out of Vandenberg SFB, CA, USA, placing its payload in Elliptical.

Launch time
Status
SUCCESS
Operator
United States Air Force
Mission type
Astrophysics
Launch pad
Space Launch Complex 2E
Payload
—
Target orbit
Elliptical

Mission timeline

  1. 1972-01-31T17:20:02.000Z
    Liftoff
    Thor Delta L roars off the pad at Vandenberg SFB, CA, USA.
  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 Elliptical.
  7. Mission success
    All mission objectives achieved.

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