United States Air ForceThor Able IISpace Launch Complex 17A, Cape Canaveral SFS, FL, USA
Transit 1A
Launched
September 17, 1959
Image: USAF
Summary
Transit 1A launched on an United States Air Force Thor Able II from Space Launch Complex 17A, Cape Canaveral SFS, FL, USA on September 17, 1959. The mission failed. It was United States Air Force's 8th launch, 8th this year and humanity's 48th orbital launch attempt. It was the 1st Thor Able II flight. The payload was bound for low Earth orbit (LEO).
- Watch
- No webcast on record.
- Vehicle
- Thor Able II · United States Air Force
- Booster
- No booster details on record.
- Mission
- Navigation · Low Earth Orbit (LEO)
- Milestone
- 1st Thor Able II flightUnited States Air Force's 8th launch8th this yearhumanity's 48th orbital launch attempt17th orbital launch attempt this year
Flight preview
About this launch
The Transit satellite system was the first satellite navigation system to be used operationally. The system was used to provide accurate location for the US Navy ships. Transit 1A failed to make orbit.
Pad

Space Launch Complex 17A, Cape Canaveral SFS, FL, USA
5th launch from Space Launch Complex 17A, 2nd this year · 27th from Cape Canaveral SFS, FL, USA
145 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
41 days after the previous launch from this pad
Questions
When did Transit 1A launch?
Transit 1A launched on September 17, 1959. The time is known to the hour, not the minute.
Where can I watch Transit 1A?
No webcast is on record for this launch.
What rocket launched Transit 1A?
Thor Able II, flown by United States Air Force. Thor Able II spec sheet
Where did Transit 1A launch from?
Space Launch Complex 17A, Cape Canaveral SFS, FL, USA.
What orbit was Transit 1A going to?
Low Earth Orbit (LEO), a navigation mission.
