📊 Analysis
Statistics & insights on rockets and organizations — technology, history, numbers.
Thor-Delta
RetiredUnited States Air Force
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.
Key figures
Total launches
3
Successes
3
Failures
0
Success rate
100.0 %
Success streak
3
Maiden flight
May 13, 1960
Launch cost
$5 Mio.
Reusable
No
Shortest launch interval ⓘ
34d 16h
Planned launches
0
Thor family total
29 launches · 22 successes · 7 failures (4 variants)
🧐 Data check
Automatic plausibility checks — anomalies are surfaced transparently here:
- ℹ️The figures above apply only to the “Thor-Delta” variant. The Launch Library counts each variant separately — the Thor family totals 29 launches across 4 variants.
Technology
Length
18.42 m
Diameter
2.44 m
Launch mass
54 t
Liftoff thrust
759 kN
Stages
3
Launches per year
of which in our database: 3
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- http://www.astronautix.com/t/thordm-19.html