Juno II Launch History
Every orbital and deep-space launch attempt by the Juno II, year by year, drawn from the GCAT launch catalog.
Data current as of 2026-07-20.
Juno II made 10 orbital and deep-space launch attempts between 1958 and 1961. Of those, 5 succeeded and 5 failed. The success rate comes to 50 percent. The busiest year was 1959, with 4 flights. The most recent flight in the catalog was in 1961.
10
Launch attempts
5
Successes
5
Failures
50%
Success rate
Launches per year
Successes
Failures
Each bar links to that year's full chronology.
Year by year
Launch sites used
Sites the Juno II launched from, across every launch in the catalog.
| Site | Country | Launches | Successes | Failures |
|---|---|---|---|---|
| CC | 🇺🇸United States | 10 | 5 | 5 |
Launch chronology
Every Juno II launch in the catalog, newest first.
| Date | Designator | Payloads | Site / Pad | Outcome |
|---|---|---|---|---|
| May 24, 1961 | 1961-F04 | AM-19G : Juno II Fairing, Cluster Stage 3, Cluster Stage 2 +3 more, Jupiter AM-19G, RTV Motor, NASA S-45A | CC / LC26B | Failure |
| Apr 27, 1961 | 1961 NU | AM-19E : Juno II Fairing, Cluster Stage 3, Cluster Stage 2 +4 more, Jupiter AM-19E, RTV Motor, Explorer XI meteoroid shield, NASA S-15 | CC / LC26B | Success |
| Feb 25, 1961 | 1961-F01 | AM-19F : Juno II Fairing, Cluster Stage 3, Cluster Stage 2 +3 more, Jupiter AM-19F, RTV Motor, NASA S-45 | CC / LC26B | Failure |
| Nov 3, 1960 | 1960 XI | AM-19D : Juno II Fairing, Cluster Stage 3, Cluster Stage 2 +4 more, Jupiter AM-19D, Explorer VIII despin weight, RTV Motor, NASA S-30 | CC / LC26B | Success |
| Mar 23, 1960 | 1960-F04 | AM-19C : Juno II Fairing, Cluster Stage 3, Cluster Stage 2 +3 more, Jupiter AM-19C, RTV Motor, NASA S-46 | CC / LC26B | Failure |
| Oct 13, 1959 | 1959 IOT | AM-19A : Juno II Fairing, Cluster Stage 3, Cluster Stage 2 +3 more, Jupiter AM-19A, RTV Motor, NASA S-1A | CC / LC5 | Success |
| Aug 15, 1959 | 1959-F07 | AM-19B : Juno II Fairing, Cluster Stage 2, Jupiter AM-19B +3 more, Cluster Stage 3, Beacon container, 12-foot sphere | CC / LC26B | Failure |
| Jul 16, 1959 | 1959-F05 | AM-16 : Juno II Fairing, Cluster Stage 3, Cluster Stage 2 +3 more, Jupiter AM-16, RTV Motor, NASA S-1 | CC / LC5 | Failure |
| Mar 3, 1959 | 1959 NU | AM-14 : Despin weight, RTV Motor, Pioneer 4 +4 more, Juno II Fairing, Cluster Stage 3, Cluster Stage 2, Jupiter AM-14 | CC / LC5 | Success |
| Dec 6, 1958 | 1958 THE | AM-11 : Juno II Fairing, Cluster Stage 3, Cluster Stage 2 +4 more, Jupiter AM-11, Despin weight, RTV Motor, Pioneer 3 | CC / LC5 | Success |