Thor Delta N6
Thor familyMcDonnell DouglasRetired
American orbital launch vehicle family with Thor first stage and a delta second stage.

Specifications
- Thrust
- 2,411 kN
- Height
- 33 m
- Diameter
- 2.44 m
- Launch mass
- 102 t
- Stages
- 3
- LEO capacity
- 1,600 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
3flightswith a definitive outcome
66.7%success rate2 of 3
1failureincluding partial failures
0success streakcurrent
First flight January 23, 1970 · latest October 21, 1971
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 N6 flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 1970 | 2 | 0 | 2 |
| 1971 | 0 | 1 | 1 |