Thor family
Delta DM-19
The Delta DM-19, or Thor-Delta was an early launch system used for 12 launches in the early '60s in the US. The first stage was a Thor missile with the second stage being the Delta, hence the name Thor-Delta. Of 12 flights, it failed only once and put 11 satellites into orbit between 1960 and 62.
Flights flown3
Success rate100%3/3
Maiden flight1960-05-13
Peak year19613 flights
Delta DM-19 is built by United States Air Force of the United States. It first flew on 25 March 1961 and last flew on 16 August 1961.
Flight record
100% success rate3 of 3 flown
First flight1961-03-25
Latest flight1961-08-16
Failures0
Consecutive successes3
Fastest turnaround34d 16h
Payload
| Launch cost | $4.9M |
|---|
Vehicle
| Stages | 3 |
|---|---|
| Length | 18.42m |
| Diameter | 2.44m |
| Launch mass | 54t |
| Liftoff thrust | 759kN |
| Maiden flight | 1960-05-13 |
| Reusable | No |
Pads used
Launch history
| Date | Mission | Pad | Orbit | Outcome |
|---|---|---|---|---|
| 1961-08-16 | Delta DM-19 | Explorer 12 | Space Launch Complex 17A | Success | |
| 1961-07-12 | Delta DM-19 | Tiros-3 | Space Launch Complex 17A | Success | |
| 1961-03-25 | Delta DM-19 | Explorer 10 | Space Launch Complex 17A | Success |
Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.
Further reading: Operator page