MISSION OVERVIEW
Sun-synchronous meteorological satellite
LAUNCH DETAILS
VEHICLE
Thor Delta N6AGENCY
United States Air ForceMISSION
ITOS B
MISSION TYPE
Earth Science
TARGET ORBIT
Sun-Synchronous Orbit
LAUNCH PAD
Space Launch Complex 2ELAUNCH SITE
Vandenberg SFB, CA, USACOUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 23464825-30dc-49d2-9702-dee0b6d5be1f
Reported date: Oct 21, 1971 at 11:32 UTC
Last synced: 10 seconds 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 N6 →
MANUFACTURER
McDonnell Douglas
VARIANT
Delta N6
FLIGHTS
3
SUCCESSES
2
SUCCESS RATE
66.7%
American orbital launch vehicle family with Thor first stage and a delta second stage.
FREQUENTLY ASKED QUESTIONS
When is the Thor Delta N6 | ITOS B launch?
The Thor Delta N6 | ITOS B is scheduled for Thursday, October 21, 1971 at 11:32 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 ITOS B?
The Thor Delta N6 | ITOS B mission uses the Thor Delta N6 rocket, manufactured by McDonnell Douglas. The Thor Delta N6 has flown 3 times with a 66.7% success rate.
Where is the Thor Delta N6 | ITOS B launching from?
The launch takes place from Space Launch Complex 2E at Vandenberg SFB, CA, USA.
What orbit is ITOS B going to?
The ITOS B mission is targeting Sun-Synchronous Orbit.
Who is launching ITOS B?
The Thor Delta N6 | ITOS B is operated by United States Air Force.
Can I watch the Thor Delta N6 | ITOS B 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: Oct 21, 1971 at 11:32 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: 10 seconds ago
●Launch Library 210 seconds ago
Launch ID: 23464825-30dc-49d2-9702-dee0b6d5be1f
●Open-Meteo Weather24 minutes ago
Pad weather at 34.75, -120.62
