Thor Delta E
Thor familyMcDonnell DouglasRetired
American orbital launch vehicle family with Thor first stage and a delta second stage.

Specifications
- Thrust
- 1,452 kN
- Height
- 31 m
- Diameter
- 2.44 m
- Launch mass
- 69 t
- Stages
- 3
- Launch cost
- $13.93M
- LEO capacity
- 540 kg
- GTO capacity
- 150 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
6flightswith a definitive outcome
100%success rate6 of 6
0failuresincluding partial failures
6success streakcurrent
First flight November 6, 1965 · latest April 20, 1967
Counted from padside's own launch record, the same basis as the stats page.
Flights per year
- Successful
- Failed
Show the numbers for Thor Delta E flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 1965 | 2 | 0 | 2 |
| 1966 | 2 | 0 | 2 |
| 1967 | 2 | 0 | 2 |