Thor Delta
Thor family
· built by McDonnell Douglas
· maiden flight 1960-05-13
Profile data last updated: 2026-08-29T15:37:07.354998+00:00 | 7531-10-17
American orbital launch vehicle. Commercial name for the military's Thor-Delta.
Specifications
31.0 mLength
2.44 mDiameter
54 tLaunch mass
3Stages
667 kNLiftoff thrust
Payload Capacity
226 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.
9Total launches
8Successful
1Failed
0Upcoming
Launches Tracked on This Site
9In our archive
88.9%Success rate
May 13, 1960 09:16 UTCEarliest tracked
Sep 18, 1962 08:53 UTCMost recent
| Mission | Date | Status |
|---|---|---|
| Thor Delta | Tiros 6 | Sep 18, 1962 08:53 UTC | Success |
| Thor Delta | Telstar 1 | Jul 10, 1962 08:35 UTC | Success |
| Thor Delta | Tiros 5 | Jun 19, 1962 12:19 UTC | Success |
| Thor Delta | Ariel 1 | Apr 26, 1962 18:00 UTC | Success |
| Thor Delta | OSO 1 | Mar 07, 1962 16:06 UTC | Success |
| Thor Delta | Tiros 4 | Feb 08, 1962 12:43 UTC | Success |
| Thor Delta | Tiros 2 | Nov 23, 1960 11:13 UTC | Success |
| Thor Delta | Echo 1 | Aug 12, 1960 09:39 UTC | Success |
| Thor Delta | Echo | May 13, 1960 09:16 UTC | Failure |