Thor with the restartable Ablestar upper stage, flown from 1960 to 1965 mostly for the Navy's Transit satellites, the first satellite navigation system.
- Launches
- 19
- Success rate
- 68%
- 5 failures · 1 partial
- Builder
- McDonnell Douglas
- Height
- 29 m
- Diameter
- 1.4 m
- Stages
- 2
- Propellants
- Kerosene / LOX, UDMH / Nitric acid
- Payload to LEO
- 150 kg
Launches per year
Thor DM-21 Ablestar
Other Thor rockets
Show as table
| Year | Launches | Thor DM-21 Ablestar |
|---|---|---|
| 1958 | 3 | 0 |
| 1959 | 10 | 0 |
| 1960 | 21 | 5 |
| 1961 | 23 | 3 |
| 1962 | 38 | 3 |
| 1963 | 29 | 2 |
| 1964 | 32 | 3 |
| 1965 | 33 | 3 |
| 1966 | 24 | 0 |
| 1967 | 28 | 0 |
| 1968 | 21 | 0 |
| 1969 | 22 | 0 |
| 1970 | 16 | 0 |
| 1971 | 14 | 0 |
| 1972 | 6 | 0 |
| 1973 | 1 | 0 |
| 1974 | 2 | 0 |
| 1975 | 1 | 0 |
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
Thor rockets
| Rocket | Flown | Launches | Success rate | Height | Payload to LEO |
|---|---|---|---|---|---|
| Thor Able I | 1958 | 3 | 0% | 26.9 m | 120 kg |
| Thor Agena A | 1959 to 1960 | 15 | 60% | 28 m | 250 kg |
| Thor Able III | 1959 | 1 | 100% | 27.4 m | 100 kg |
| Thor Able II | 1959 to 1960 | 2 | 50% | 27.3 m | 50 kg |
| Thor Able IV | 1960 | 1 | 100% | 27.2 m | 100 kg |
| Thor DM-21 Ablestar | 1960 to 1965 | 19 | 68% | 29 m | 150 kg |
| Thor Delta | 1960 to 1962 | 12 | 92% | 27.5 m | 226 kg |
| Thor DM-21 Agena-B | 1960 to 1963 | 40 | 83% | 23.4 m | 150 kg |
| Thor Agena D | 1962 to 1963 | 13 | 85% | 31 m | 250 kg |
| Thor Delta A | 1962 | 2 | 100% | 27.5 m | 250 kg |
| Thor Delta B | 1962 to 1964 | 9 | 89% | 27.5 m | 370 kg |
| Thor SLV-2A Agena D | 1963 to 1968 | 61 | 93% | 27.2 m | |
| Thor SLV-2A Agena B | 1963 to 1966 | 2 | 100% | 27.2 m | |
| Thor SLV-2 Agena D | 1963 to 1967 | 8 | 75% | 27.2 m | 150 kg |
| Thor Delta C | 1963 to 1967 | 10 | 80% | 27.5 m | 81 kg |
| Thor SLV-2 Agena B | 1964 to 1965 | 3 | 100% | 27.2 m | 400 kg |
| Thor Delta D | 1964 to 1965 | 2 | 100% | 27.5 m | 450 kg |
| Thor MG-18 | 1965 | 2 | 100% | 23 m | 400 kg |
| Thor Burner 1 | 1965 to 1966 | 4 | 75% | 23 m | 250 kg |
| Thor Delta E | 1965 to 1967 | 6 | 100% | 28 m | 540 kg |
| Thor Delta C1 | 1966 to 1969 | 3 | 100% | 27.5 m | 81 kg |
| Thor Delta E1 | 1966 to 1971 | 17 | 94% | 28 m | 540 kg |
| Thorad SLV-2G Agena D | 1966 to 1971 | 30 | 97% | 32.9 m | 250 kg |
| Thor Burner 2 | 1966 to 1971 | 12 | 100% | 22.4 m | 250 kg |
| Thor Delta G | 1966 to 1967 | 2 | 100% | 28 m | 400 kg |
| Thor Delta J | 1968 | 1 | 100% | 28 m | 260 kg |
| Thor Delta N | 1968 to 1972 | 6 | 83% | 33 m | 400 kg |
| Thor Delta M | 1968 to 1971 | 12 | 83% | 32.4 m | 355 kg |
| Thorad SLV-2H Agena D | 1969 to 1972 | 13 | 92% | 32.9 m | 250 kg |
| Thor Delta L | 1969 to 1972 | 2 | 50% | 35 m | 300 kg |
| Thor Delta N6 | 1970 to 1971 | 3 | 67% | 33 m | 400 kg |
| Thor Delta M6 | 1971 | 1 | 100% | 32.4 m | 450 kg |
| Thor Burner 2A | 1971 to 1976 | 8 | 100% | 23 m | 250 kg |
| Thor DSV-2U | 1976 to 1980 | 5 | 80% | 23 m | 500 kg |