Scout X-4
Scout family
· built by Vought
· maiden flight 1963-06-28
Profile data last updated: 2026-08-29T15:37:07.354998+00:00 | 7531-10-17
The Scout family of rockets were were American launch vehicles designed to place small satellites into orbit around the Earth. The Scout multistage rocket was the first orbital launch vehicle to be entirely composed of solid fuel stages.
Specifications
25.0 mLength
1.01 mDiameter
17 tLaunch mass
4Stages
513 kNLiftoff thrust
Payload Capacity
103 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.
12Total launches
11Successful
1Failed
0Upcoming
Launches Tracked on This Site
12In our archive
91.7%Success rate
Jun 28, 1963 21:19 UTCEarliest tracked
Dec 06, 1965 21:05 UTCMost recent
| Mission | Date | Status |
|---|---|---|
| Scout X-4 | FR-1 | Dec 06, 1965 21:05 UTC | Success |
| Scout X-4 | Solrad 8 | Nov 19, 1965 04:48 UTC | Success |
| Scout X-4 | Beacon Explorer C | Apr 29, 1965 14:17 UTC | Success |
| Scout X-4 | San Marco 1 | Dec 15, 1964 20:20 UTC | Success |
| Scout X-4 | Explorer 24 & 25 | Nov 21, 1964 17:09 UTC | Success |
| Scout X-4 | Explorer 23 | Nov 06, 1964 12:02 UTC | Success |
| Scout X-4 | Beacon Explorer B | Oct 10, 1964 03:01 UTC | Success |
| Scout X-4 | Explorer 20 | Aug 25, 1964 13:43 UTC | Success |
| Scout X-4 | ESRS | Jun 25, 1964 01:40 UTC | Failure |
| Scout X-4 | Transit VC | Jun 04, 1964 03:50 UTC | Success |
| Scout X-4 | Explorer 19 | Dec 19, 1963 18:49 UTC | Success |
| Scout X-4 | GRS | Jun 28, 1963 21:19 UTC | Success |