UNITED STATES AIR FORCE
Thor Delta N | OSO 7
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Sep 29, 1971 at 09:45 UTC
▸ Flight profile›
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MISSION OVERVIEW
The Orbital Solar Observatory satellite was deisgned to perform solar physics experiments
LAUNCH DETAILS
VEHICLE
Thor Delta NAGENCY
United States Air ForceMISSION
OSO 7
MISSION TYPE
Heliophysics
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
Space Launch Complex 17ALAUNCH SITE
Cape Canaveral SFS, FL, USACOUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: b8064f99-c2bf-4a83-aa90-2f9251113d4d
Reported date: Sep 29, 1971 at 09:45 UTC
Last synced: 1 second 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 N →
MANUFACTURER
McDonnell Douglas
VARIANT
Delta N
FLIGHTS
6
SUCCESSES
5
SUCCESS RATE
83.3%
American orbital launch vehicle family with Thor first stage and a delta second stage.
FREQUENTLY ASKED QUESTIONS
When is the Thor Delta N | OSO 7 launch?
The Thor Delta N | OSO 7 is scheduled for Wednesday, September 29, 1971 at 9:45 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: FAILURE.
What rocket is being used for OSO 7?
The Thor Delta N | OSO 7 mission uses the Thor Delta N rocket, manufactured by McDonnell Douglas. The Thor Delta N has flown 6 times with a 83.3% success rate.
Where is the Thor Delta N | OSO 7 launching from?
The launch takes place from Space Launch Complex 17A at Cape Canaveral SFS, FL, USA.
What orbit is OSO 7 going to?
The OSO 7 mission is targeting Low Earth Orbit.
Who is launching OSO 7?
The Thor Delta N | OSO 7 is operated by United States Air Force.
Can I watch the Thor Delta N | OSO 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 21:44 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 21:44 UTC
Launch date set: Sep 29, 1971 at 09:45 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 28, 2026 21:44 UTC
Launch failure reported
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 1 second ago
●Launch Library 21 second ago
Launch ID: b8064f99-c2bf-4a83-aa90-2f9251113d4d
●Open-Meteo Weather5 days ago
Pad weather at 28.45, -80.57
Mission Profile
OSO 7 was a Thor Delta N mission operated by United States Air Force that lifted off from Space Launch Complex 17A, Cape Canaveral SFS, FL, USA on September 29, 1971. The flight carried its payload on a heliophysics mission to Low Earth Orbit. The launch ended in failure.