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Army Ballistic Missile AgencyJuno IILaunch Complex 26B, Cape Canaveral SFS, FL, USA
Explorer 11
Launched
April 27, 1961
Summary
Explorer 11 launched on an Army Ballistic Missile Agency Juno II from Launch Complex 26B, Cape Canaveral SFS, FL, USA on April 27, 1961. It was Army Ballistic Missile Agency's 11th launch, 2nd this year and humanity's 108th orbital launch attempt. It was the 9th Juno II flight and the 2nd this year. The payload was bound for low Earth orbit (LEO).
- Watch
- No webcast on record.
- Vehicle
- Juno II · Army Ballistic Missile Agency
- Booster
- No booster details on record.
- Mission
- Astrophysics · Low Earth Orbit (LEO)
- Milestone
- 9th Juno II flight · 2nd this yearArmy Ballistic Missile Agency's 11th launch2nd this yearhumanity's 108th orbital launch attempt15th orbital launch attempt this year
Flight preview
About this launch
Explorer 11 was a NASA satellite carrying the first gamma-ray telescope flown in space, used to search for high-energy gamma rays from cosmic sources. It operated for several months in a low, moderately elliptical orbit.
Pad
Launch Complex 26B, Cape Canaveral SFS, FL, USA
5th launch from Launch Complex 26B, 2nd this year · 58th from Cape Canaveral SFS, FL, USA
6 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
61 days after the previous launch from this pad
Questions
When did Explorer 11 launch?
Explorer 11 launched on April 27, 1961. The time is known to the hour, not the minute.
Where can I watch Explorer 11?
No webcast is on record for this launch.
What rocket launched Explorer 11?
Juno II, flown by Army Ballistic Missile Agency. Juno II spec sheet
Where did Explorer 11 launch from?
Launch Complex 26B, Cape Canaveral SFS, FL, USA.
What orbit was Explorer 11 going to?
Low Earth Orbit (LEO), a astrophysics mission.