Thor Delta C Launch History
Every orbital and deep-space launch attempt by the Thor Delta C, year by year, drawn from the GCAT launch catalog. It is one of the variants covered on the Thor family page.
Data current as of 2026-07-20.
Thor Delta C made 10 orbital and deep-space launch attempts between 1963 and 1967. It is part of the Thor family. Of those, 9 succeeded and 1 failed. The success rate comes to 90 percent. The busiest year was 1965, with 5 flights. The most recent flight in the catalog was in 1967.
10
Launch attempts
9
Successes
1
Failures
90%
Success rate
Launches per year
Successes
Failures
Each bar links to that year's full chronology.
Year by year
Launch sites used
Sites the Thor Delta C launched from, across every launch in the catalog.
| Site | Country | Launches | Successes | Failures |
|---|---|---|---|---|
| CC | 🇺🇸United States | 10 | 9 | 1 |
Launch chronology
Every Thor Delta C launch in the catalog, newest first.
| Date | Designator | Payloads | Site / Pad | Outcome |
|---|---|---|---|---|
| Mar 8, 1967 | 1967-020 | 431/D046 : AJ10-118D S/N 20106, Fairing, Thor DSV-2A (S/N 20106) +3 more, X-258 yo weight, Altair 2 X-258E6 RH-140, OSO E1 | CC / LC17A | Success |
| Feb 3, 1966 | 1966-008 | 445/D036 : AJ10-118D S/N 20104, Fairing, Thor DSV-2A (S/N 20112) +4 more, Altair 2 yo weight, ESSA 1 despin weight, Altair 2 X-258C4 RH-88, Tiros OT3 | CC / LC17A | Success |
| Aug 25, 1965 | 1965-F09 | 434/D033 : AJ10-118D, Fairing, Thor DSV-2A 434 +3 more, X-258 yo weight, Altair 2 X-258C4 RH-78, OSO C | CC / LC17B | Failure |
| Jul 2, 1965 | 1965-051 | 415/D032 : Fairing, Thor DSV-2A 415 (20103), AJ10-118D +3 more, Despin weight, Altair 2 X-258C4 RH-84, Tiros OT1 | CC / LC17B | Success |
| May 29, 1965 | 1965-042 | 441/D031 : Explorer 28 despin weight, X-258C4, IMP C +4 more, Fairing, Thor DSV-2A 441, Altair 2 X-258C4, AJ10-118D | CC / LC17B | Success |
| Feb 3, 1965 | 1965-007 | 411/D029 : AJ10-118D S/N 20110, Fairing, Thor DSV-2A 411 +2 more, Altair 2 X-258C4, OSO B2 | CC / LC17B | Success |
| Jan 22, 1965 | 1965-004 | 374/D028 : AJ10-118D S/N 20107, Fairing, Thor DSV-2A 374 +4 more, deb Altair 2, Tiros IX despin weight, Altair 2 X-258C4 RH-79, Tiros I | CC / LC17A | Success |
| Dec 21, 1964 | 1964-086 | 393/D027 : AJ10-118D S/N 20108, Fairing, Thor DSV-2A 393 +5 more, Explorer 26 despin weight, (duplicate), Altair 2 X-258C2 KW-0139, Explorer XXVI dup, NASA S-3C | CC / LC17A | Success |
| Oct 4, 1964 | 1964-060 | 392/D026 : Fairing, Thor DSV-2A 392, Explorer 21 despin weight +3 more, Altair 2 X-258C2 RH-69, AJ10-118D, IMP B | CC / LC17A | Success |
| Nov 27, 1963 | 1963-046 | 387/D021 : Explorer 18 despin weight, X-258B2 RH-60, IMP A +4 more, Fairing, Thor DSV-2A 387, Altair 2 X-258B2 RH-60, AJ10-118D S/N 20012 | CC / LC17B | Success |