📊 Analysis
Statistics & insights on rockets and organizations — technology, history, numbers.
Thor SLV-2A Agena B
RetiredMcDonnell Douglas
Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Key figures
Total launches
2
Successes
2
Failures
0
Success rate
100.0 %
Success streak
2
Maiden flight
Jun 29, 1963
Reusable
No
Shortest launch interval ⓘ
1050d 9h
Planned launches
0
Thor, Thor-Agena family total
142 launches · 120 successes · 22 failures (7 variants)
🧐 Data check
Automatic plausibility checks — anomalies are surfaced transparently here:
- ℹ️The figures above apply only to the “Thor SLV-2A Agena B” variant. The Launch Library counts each variant separately — the Thor, Thor-Agena family totals 142 launches across 7 variants.
Technology
Length
31 m
Diameter
2.44 m
Launch mass
67 t
Liftoff thrust
1,571 kN
Stages
3
Launches per year
of which in our database: 2
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia