Thor family
Thor Delta A
American orbital launch vehicle family with Thor first stage and a delta second stage.
Flights flown2
Success rate100%2/2
Payload to LEO250kg
Cost per kg to LEO$38,360$9.6M per launch
Maiden flight1962-10-02
Peak year19622 flights
Thor Delta A is built by McDonnell Douglas of the United States. It first flew on 2 October 1962 and last flew on 27 October 1962.
Flight record
100% success rate2 of 2 flown
First flight1962-10-02
Latest flight1962-10-27
Failures0
Consecutive successes2
Fastest turnaround25d 1h
Payload
| Low Earth orbit | 250kg |
|---|---|
| Geostationary transfer orbit | 68kg |
| Launch cost | $9.6M |
| Cost per kg to LEO | $38,360 |
Vehicle
| Stages | 3 |
|---|---|
| Length | 31m |
| Diameter | 2.44m |
| Launch mass | 50t |
| Liftoff thrust | 667kN |
| Maiden flight | 1962-10-02 |
| Reusable | No |
Pads used
Orbits delivered
Elliptical Orbit2
Launch history
| Date | Mission | Pad | Orbit | Outcome |
|---|---|---|---|---|
| 1962-10-27 | Thor Delta A | Explorer 15 | Space Launch Complex 17B | Elliptical Orbit | Success |
| 1962-10-02 | Thor Delta A | Explorer 14 | Space Launch Complex 17B | Elliptical Orbit | Success |
Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.
Further reading: Wikipedia
Fewer than three recorded flights, so this page is marked noindex. It is here for completeness, not for search.