Explorer 17
Thor Delta B
United States Air Force
Launch Status
SuccessMission
Explorer 17
Type: Earth Science
Explorer 17 carried four pressure gauges for the measurement of total neutral particle density, two mass spectrometers for the measurement of certain neutral particle concentrations, and two electrostatic probes for ion concentration and electron temperature measurements.
Trajectory
The trajectory is unavailable. Check back for updates.
Location
Space Launch Complex 17A
Cape Canaveral, FL, USA
879 rockets have launched from Cape Canaveral, FL, USA.

Rocket
Thor Delta B – McDonnell Douglas
- Family: Thor
- Length: 31 m
- Diameter: 2.44 m
- Launch Mass: 51 T
- Low Earth Orbit Capacity: 370 kg
The Thor Delta B was manufactured by McDonnell Douglas with the first launch on 1962-12-13. Thor Delta B has 8 successful launches and 1 failed launches with a total of 9 launches. American orbital launch vehicle family with Thor first stage and a delta second stage.
Agency
United States Air Force – USAF
- Type: Government
- Abbreviation: USAF
- Country: USA