MISSION OVERVIEW
Pioneer A to E (Pioneer 6 to 9 after launch) were a series of five solar-orbiting, spin-stabilized, solar-cell and battery-powered satellites designed to obtain measurements of interplanetary phenomena from widely separated points in space on a continuing basis.
LAUNCH DETAILS
VEHICLE
Thor Delta E1AGENCY
United States Air ForceMISSION
Pioneer 7
MISSION TYPE
Astrophysics
TARGET ORBIT
Heliocentric N/A
LAUNCH PAD
Space Launch Complex 17ALAUNCH SITE
Cape Canaveral SFS, FL, USACOUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: a52cfb5f-8318-46b9-bbcc-138940d7ec5b
Reported date: Aug 17, 1966 at 15:20 UTC
Last synced: 2 hours ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Thor Delta E1 →
MANUFACTURER
McDonnell Douglas
VARIANT
Delta E1
FLIGHTS
17
SUCCESSES
16
SUCCESS RATE
94.1%
American orbital launch vehicle family with Thor first stage and a delta second stage.
FREQUENTLY ASKED QUESTIONS
When is the Thor Delta E1 | Pioneer 7 launch?
The Thor Delta E1 | Pioneer 7 is scheduled for Wednesday, August 17, 1966 at 3:20 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 Pioneer 7?
The Thor Delta E1 | Pioneer 7 mission uses the Thor Delta E1 rocket, manufactured by McDonnell Douglas. The Thor Delta E1 has flown 17 times with a 94.1% success rate.
Where is the Thor Delta E1 | Pioneer 7 launching from?
The launch takes place from Space Launch Complex 17A at Cape Canaveral SFS, FL, USA.
What orbit is Pioneer 7 going to?
The Pioneer 7 mission is targeting Heliocentric N/A.
Who is launching Pioneer 7?
The Thor Delta E1 | Pioneer 7 is operated by United States Air Force.
Can I watch the Thor Delta E1 | Pioneer 7 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.
LAUNCH TIMELINE
Mar 28, 2026 20:51 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:51 UTC
Launch date set: Aug 17, 1966 at 15:20 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 28, 2026 20:51 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 2 hours ago
●Launch Library 22 hours ago
Launch ID: a52cfb5f-8318-46b9-bbcc-138940d7ec5b
●Open-Meteo Weather2 hours ago
Pad weather at 28.45, -80.57