📊 Analysis
Statistics & insights on rockets and organizations — technology, history, numbers.
Thor DSV-2U
RetiredMcDonnell Douglas
The Thor DSV-2U or Thor LV-2F Star-37XE Star-37S-ISS was an American expendable launch system used to launch five DMSP weather satellites between 1976 and 1980.
Key figures
Total launches
5
Successes
4
Failures
1
Success rate
80.0 %
Success streak
0
Maiden flight
Sep 11, 1976
Reusable
No
Shortest launch interval ⓘ
266d 18h
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 DSV-2U” variant. The Launch Library counts each variant separately — the Thor family totals 29 launches across 4 variants.
Technology
Length
23 m
Diameter
2.44 m
Launch mass
49 t
Liftoff thrust
750 kN
Stages
1
LEO (low Earth orbit)
500 kg
Launches per year
of which in our database: 5
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia