UNITED STATES AIR FORCE
Delta II | Iridium 91
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Feb 11, 2002 at 17:43 UTC
▸ Flight profile›
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PADSpace Launch Complex 2W
SITEVandenberg SFB, CA, USA →ORBITLow Earth Orbit
TYPECommunications
PROGRAMIridium Constellation
MISSION OVERVIEW
Civilian communications satellite.
LAUNCH DETAILS
VEHICLE
Delta IIAGENCY
United States Air ForceMISSION
Iridium 91
MISSION TYPE
Communications
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
Space Launch Complex 2WLAUNCH SITE
Vandenberg SFB, CA, USAPROGRAM
Iridium Constellation
COUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: d939e9a5-12d1-4291-aead-857afd75c912
Reported date: Feb 11, 2002 at 17:43 UTC
Last synced: 3 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Delta II →
MANUFACTURER
United Launch Alliance
VARIANT
7920-10C
FLIGHTS
17
SUCCESSES
17
SUCCESS RATE
100%
Delta II is an American space launch system developed by McDonnell Douglas, now part of the Delta rocket family operated by United Launch Alliance. With more than 150 missions and a nearly perfect track record, Delta II has established itself as one of the most successful orbital launch systems.
FREQUENTLY ASKED QUESTIONS
When is the Delta II | Iridium 91 launch?
The Delta II | Iridium 91 is scheduled for Monday, February 11, 2002 at 5:43 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 Iridium 91?
The Delta II | Iridium 91 mission uses the Delta II rocket, manufactured by United Launch Alliance. The Delta II has flown 17 times with a 100% success rate.
Where is the Delta II | Iridium 91 launching from?
The launch takes place from Space Launch Complex 2W at Vandenberg SFB, CA, USA.
What orbit is Iridium 91 going to?
The Iridium 91 mission is targeting Low Earth Orbit.
Who is launching Iridium 91?
The Delta II | Iridium 91 is operated by United States Air Force. It is part of the Iridium Constellation program.
Can I watch the Delta II | Iridium 91 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 29, 2026 01:07 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 01:07 UTC
Launch date set: Feb 11, 2002 at 17:43 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 29, 2026 01:07 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 3 minutes ago
●Launch Library 23 minutes ago
Launch ID: d939e9a5-12d1-4291-aead-857afd75c912
●Open-Meteo Weather5 days ago
Pad weather at 34.76, -120.62
Mission Profile
Iridium 91 was a Delta II 7920-10C mission operated by United States Air Force that lifted off from Space Launch Complex 2W, Vandenberg SFB, CA, USA on February 11, 2002. The flight carried its payload on a communications mission to Low Earth Orbit. It was flown as part of the Iridium Constellation program. The launch was a success.