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ARMY BALLISTIC MISSILE AGENCY

Juno II | Explorer 11

SUCCESSApr 27, 1961 at 14:16 UTCJuno II →
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: f5303aad-0672-4825-96d6-996d83d1e7f2
Reported date: Apr 27, 1961 at 14:16 UTC
Last synced: 9 hours ago
This launch date and time are confirmed by the launch provider. Countdown is active.
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Juno
Jupiter
NASA / JPLOPERATOR
OrbiterTYPE
5.2 AUFROM SUN
EXTENDED MISSION
MANUFACTURER
Army Ballistic Missile Agency
FLIGHTS
10
SUCCESSES
5
SUCCESS RATE
50%

Juno II was an American space launch vehicle used during the late 1950s and early 1960s. It was derived from the Jupiter missile, which was used as the first stage.

When is the Juno II | Explorer 11 launch?
The Juno II | Explorer 11 is scheduled for Thursday, April 27, 1961 at 2:16 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Juno II | Explorer 11?
The Juno II | Explorer 11 mission uses the Juno II rocket, manufactured by Army Ballistic Missile Agency. The Juno II has flown 10 times with a 50% success rate.
Where is the Juno II | Explorer 11 launching from?
The launch takes place from Launch Complex 26B at Cape Canaveral SFS, FL, USA.
Who is launching Juno II | Explorer 11?
The Juno II | Explorer 11 is operated by Army Ballistic Missile Agency.
Can I watch the Juno II | Explorer 11 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
Mar 28, 2026 20:12 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:12 UTC
Launch date set: Apr 27, 1961 at 14:16 UTC
NET (No Earlier Than) confirmed by Army Ballistic Missile Agency
Mar 28, 2026 20:12 UTC
Launch completed successfully
Updated via Launch Library 2
Last data sync: 9 hours ago
Launch Library 29 hours ago
Launch ID: f5303aad-0672-4825-96d6-996d83d1e7f2
Open-Meteo Weather9 hours ago
Pad weather at 28.44, -80.57