📊 Analysis
Statistics & insights on rockets and organizations — technology, history, numbers.
Delta II 7320
RetiredUnited Launch Alliance
Delta II is an American space launch system developed by McDonnell Douglas, now part of the Delta rocket family operated by United Launch Alliance. With more than 150 missions and a nearly perfect track record, Delta II has established itself as one of the most successful orbital launch systems.
Key figures
Total launches
6
Successes
6
Failures
0
Success rate
100.0 %
Success streak
6
Maiden flight
Jun 24, 1999
Launch cost
$51 Mio.
Reusable
No
Shortest launch interval ⓘ
331d
Planned launches
0
Delta, Delta II family total
155 launches · 153 successes · 2 failures (25 variants)
🧐 Data check
Automatic plausibility checks — anomalies are surfaced transparently here:
- ℹ️The figures above apply only to the “Delta II 7320” variant. The Launch Library counts each variant separately — the Delta, Delta II family totals 155 launches across 25 variants.
Technology
Length
38.9 m
Diameter
2.44 m
Launch mass
168 t
Stages
2
LEO (low Earth orbit)
2,800 kg
SSO (sun-synchronous)
1,650 kg
Launches per year
of which in our database: 6
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia
- http://www.spaceflight101.net/delta-ii-7320.html