Transit 1A, the first prototype of the US Navy's Transit Doppler navigation satellite system, launched on a Thor-Able from Cape Canaveral on 17 September 1959. The third stage failed to ignite and the ~119 kg APL/ARPA satellite did not reach orbit.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 1st
- of 2 Thor Able II flights
- Date and time
- 17 September 1959, 14:34 UTC
- Rocket
- Thor Able II
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 17A, Cape Canaveral SFS, FL, USA
- Payload
- Navigation
- Launches in 1959
- 17th of 23