Explorer 39
Scout B
National Aeronautics and Space Administration
Mission
Explorer 39
Type: Earth Science
Explorer 39 was an inflatable sphere, 3.6 m in diameter. It was orbited to make atmospheric density determinations.
Trajectory
The trajectory is unavailable. Check back for updates.
Location
Space Launch Complex 5
Vandenberg SFB, CA, USA
713 rockets have launched from Vandenberg SFB, CA, USA.

Rocket
Scout B – Vought
- Family: Scout
- Length: 25 m
- Diameter: 1.01 m
- Launch Mass: 17 T
- Low Earth Orbit Capacity: 143 kg
The Scout B was manufactured by Vought with the first launch on 1965-08-10. Scout B has 21 successful launches and 2 failed launches with a total of 23 launches. The Scout family of rockets were were American launch vehicles designed to place small satellites into orbit around the Earth. The Scout multistage rocket was the first orbital launch vehicle to be entirely composed of solid fuel stages.
Agency
National Aeronautics and Space Administration – NASA
- Type: Government
- Abbreviation: NASA
- Administration: Administrator: Bill Nelson
- Founded: 1958
- Launchers: Space Shuttle | SLS
- Spacecraft: Orion
- Country: USA
The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA have many launch facilities but most are inactive. The most commonly used pad will be LC-39B at Kennedy Space Center in Florida.