📊 Analysis
Statistics & insights on rockets and organizations — technology, history, numbers.
Delta 4925-8
RetiredMcDonnell Douglas
The Delta 4000 series was an American expendable launch system which was used to conduct two orbital launches in 1989 and 1990. It was a member of the Delta family of rockets.
Key figures
Total launches
2
Successes
2
Failures
0
Success rate
100.0 %
Success streak
2
Maiden flight
Aug 27, 1989
Launch cost
$34 Mio.
Reusable
No
Shortest launch interval ⓘ
288d 6h
Planned launches
0
Delta, Delta I family total
98 launches · 92 successes · 6 failures (23 variants)
🧐 Data check
Automatic plausibility checks — anomalies are surfaced transparently here:
- ℹ️The figures above apply only to the “Delta 4925-8” variant. The Launch Library counts each variant separately — the Delta, Delta I family totals 98 launches across 23 variants.
Technology
Length
34 m
Diameter
2.44 m
Launch mass
200 t
Liftoff thrust
3,468 kN
Stages
4
LEO (low Earth orbit)
3,400 kg
GTO (geo transfer)
1,200 kg
Launches per year
of which in our database: 2
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia