Thor SLV-2 Agena B
Thor family
· built by McDonnell Douglas
· maiden flight 1964-01-25
Profile data last updated: 2026-08-29T15:37:07.354998+00:00 | 7531-10-17
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.
Specifications
27.2 mLength
2.44 mDiameter
56 tLaunch mass
2Stages
756 kNLiftoff thrust
Payload Capacity
400 kgTo LEO
Lifetime Launch Record
As reported by Launch Library 2 across this rocket's entire history, not just the launches tracked on this site.
3Total launches
3Successful
0Failed
0Upcoming
Launches Tracked on This Site
3In our archive
100.0%Success rate
Jan 25, 1964 13:59 UTCEarliest tracked
Nov 29, 1965 04:48 UTCMost recent
| Mission | Date | Status |
|---|---|---|
| Thor SLV-2 Agena B | Alouette 2 | Nov 29, 1965 04:48 UTC | Success |
| Thor SLV-2 Agena B | Nimbus 1 | Aug 28, 1964 07:56 UTC | Success |
| Thor SLV-2 Agena B | Echo 2 | Jan 25, 1964 13:59 UTC | Success |