Thor Delta Launch History
Every orbital and deep-space launch attempt by the Thor Delta, 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 made 12 orbital and deep-space launch attempts between 1960 and 1962. It is part of the Thor family. Of those, 11 succeeded and 1 failed. The success rate comes to 92 percent. The busiest year was 1962, with 6 flights. The most recent flight in the catalog was in 1962.
12
Launch attempts
11
Successes
1
Failures
92%
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 launched from, across every launch in the catalog.
| Site | Country | Launches | Successes | Failures |
|---|---|---|---|---|
| CC | 🇺🇸United States | 12 | 11 | 1 |
Launch chronology
Every Thor Delta launch in the catalog, newest first.
| Date | Designator | Payloads | Site / Pad | Outcome |
|---|---|---|---|---|
| Sep 18, 1962 | 1962 A PSI | 318/D012 : AJ10-118 S/N 2024, Fairing, Thor DM-18A 318 +4 more, deb Tiros VI, Tiros VI despin weight, Altair X-248-A5, Tiros F2 | CC / LC17A | Success |
| Jul 10, 1962 | 1962 A EPS | 316/D011 : AJ10-118 S/N 2023, Fairing, Thor DM-18A 316 +2 more, Altair X-248-A5 S/N 3023, Telstar 1 | CC / LC17B | Success |
| Jun 19, 1962 | 1962 A ALP | 321/D010 : AJ10-118 S/N 2021, Fairing, Thor DM-18A 321 +4 more, deb Tiros V, Despin weight, Altair X-248-A5, Tiros E | CC / LC17A | Success |
| Apr 26, 1962 | 1962 OMI | 320/D009 : AJ10-118 S/N 2018, Fairing, Thor DM-18A 320 +4 more, Ariel 1 despin weight, Vibration experiment, Altair X-248-A5DM SV-186, UK 1 | CC / LC17A | Success |
| Mar 7, 1962 | 1962 ZET | 301/D008 : AJ10-118 S/N 2017, Fairing, Thor DM-18A 301 +2 more, Altair X-248-A5, NASA S-16 | CC / LC17A | Success |
| Feb 8, 1962 | 1962 BET | 317/D007 : AJ10-118 S/N 2020, Fairing, Thor DM-18A 317 +4 more, deb Tiros 4, Altair X-248-A5 SV-177/3020, Despin weight, NASA A-9 | CC / LC17A | Success |
| Aug 16, 1961 | 1961 UPS | 312/D006 : AJ10-118 S/N 2016, Fairing, Thor DM-18A 312 +3 more, Explorer 12 despin weight, Altair X-248-A5, NASA S-3 | CC / LC17A | Success |
| Jul 12, 1961 | 1961 RHO | 286/D005 : AJ10-118 S/N 2014, Fairing, Thor DM-18A 286 +3 more, Despin weight, Altair X-248-A5 S/N 3014, NASA A-3 | CC / LC17A | Success |
| Mar 25, 1961 | 1961 KAP | 295/D004 : Altair X-248-A5, P-14, AJ10-118 S/N 2015 +3 more, Fairing, Thor DM-18A 295, NASA P-14 | CC / LC17A | Success |
| Nov 23, 1960 | 1960 PI | 245/D003 : AJ10-118 S/N 2013, Fairing, Thor DM-18A 245 +3 more, Despin weight, Altair X-248-A5 S/N 106, NASA A-2 | CC / LC17A | Success |
| Aug 12, 1960 | 1960 IOT | 270/D002 : Possible Echo fragment, AJ10-118 S/N 2012, Fairing +6 more, Thor DM-18A 270, [UNID047] RCS 0.0, A-11, Mylar piece, Altair X-248-A5 S/N 3012, NASA A-11 | CC / LC17A | Success |
| May 13, 1960 | 1960-F07 | 144/D001 : AJ10-118 S/N 2011, Fairing, Thor DM-18A 144 +3 more, A-10, Altair X-248-A7/Transmitter, NASA A-10 | CC / LC17A | Failure |