Thor Delta C
Thor family
· built by McDonnell Douglas
· maiden flight 1963-11-27
Profile data last updated: 2026-08-29T15:37:07.354998+00:00 | 7531-10-17
American orbital launch vehicle family with Thor first stage and a delta second stage.
Specifications
27.5 mLength
2.44 mDiameter
52 tLaunch mass
3Stages
667 kNLiftoff thrust
Payload Capacity
81 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.
10Total launches
8Successful
2Failed
0Upcoming
Launches Tracked on This Site
10In our archive
80.0%Success rate
Nov 27, 1963 02:30 UTCEarliest tracked
Mar 08, 1967 16:12 UTCMost recent
| Mission | Date | Status |
|---|---|---|
| Thor Delta C | OSO 3 | Mar 08, 1967 16:12 UTC | Success |
| Thor Delta C | ESSA 1 | Feb 03, 1966 07:41 UTC | Success |
| Thor Delta C | OSO C | Aug 25, 1965 15:17 UTC | Failure |
| Thor Delta C | Tiros 10 | Jul 02, 1965 04:07 UTC | Success |
| Thor Delta C | Explorer 28 | May 29, 1965 12:00 UTC | Success |
| Thor Delta C | OSO 2 | Feb 03, 1965 16:36 UTC | Success |
| Thor Delta C | Tiros 9 | Jan 22, 1965 07:52 UTC | Failure |
| Thor Delta C | Explorer 26 | Dec 21, 1964 09:00 UTC | Success |
| Thor Delta C | Explorer 21 | Oct 04, 1964 03:45 UTC | Success |
| Thor Delta C | Explorer 18 | Nov 27, 1963 02:30 UTC | Success |