📊 Analysis
Statistics & insights on rockets and organizations — technology, history, numbers.
Thor SLV-2 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
3
Successes
3
Failures
0
Success rate
100.0 %
Success streak
3
Maiden flight
Jan 25, 1964
Launch cost
$20 Mio.
Reusable
No
Shortest launch interval ⓘ
215d 17h
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-2 Agena B” variant. The Launch Library counts each variant separately — the Thor, Thor-Agena family totals 142 launches across 7 variants.
Technology
Length
27.2 m
Diameter
2.44 m
Launch mass
56 t
Liftoff thrust
756 kN
Stages
2
LEO (low Earth orbit)
400 kg
Launches per year
of which in our database: 3
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia