National Aeronautics and Space AdministrationJuno IILaunch Complex 5, Cape Canaveral SFS, FL, USA
Explorer 7
Launched
October 13, 1959
Summary
Explorer 7 launched on a National Aeronautics and Space Administration Juno II from Launch Complex 5, Cape Canaveral SFS, FL, USA on October 13, 1959. It was National Aeronautics and Space Administration's 8th launch, 7th this year and humanity's 51st orbital launch attempt. It was the 5th Juno II flight and the 4th this year. The payload was bound for low Earth orbit (LEO).
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Astrophysics · Low Earth Orbit (LEO)
- Milestone
- 5th Juno II flight · 4th this yearNational Aeronautics and Space Administration's 8th launch7th this yearhumanity's 51st orbital launch attempt20th orbital launch attempt this year
Flight preview
About this launch
Explorer 7 was designed to measure solar x-ray and Lyman-alpha flux, trapped energetic particles, and heavy primary cosmic rays. Secondary objectives included collecting data on micrometeoroid penetration, molecular sputtering and studying the Earth-atmosphere heat balance.
Pad

Launch Complex 5, Cape Canaveral SFS, FL, USA
7th launch from Launch Complex 5, 3rd this year · 29th from Cape Canaveral SFS, FL, USA
13 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
88 days after the previous launch from this pad
Questions
When did Explorer 7 launch?
Explorer 7 launched on October 13, 1959. The time is known to the hour, not the minute.
Where can I watch Explorer 7?
No webcast is on record for this launch.
What rocket launched Explorer 7?
Juno II, flown by National Aeronautics and Space Administration. Juno II spec sheet
Where did Explorer 7 launch from?
Launch Complex 5, Cape Canaveral SFS, FL, USA.
What orbit was Explorer 7 going to?
Low Earth Orbit (LEO), a astrophysics mission.
![[AUTO] Juno II - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fjuno2520ii_image_20191201204701.jpeg&w=1600)