PADSpace Launch Complex 3E
SITEVandenberg SFB, CA, USA →ORBITElliptical Orbit
TYPEGovernment/Top Secret
MISSION OVERVIEW
Classified payload for the U.S. National Reconnaissance Office.
LAUNCH DETAILS
VEHICLE
Atlas V 541AGENCY
United Launch AllianceMISSION
NROL-42
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Elliptical Orbit
LAUNCH PAD
Space Launch Complex 3ELAUNCH SITE
Vandenberg SFB, CA, USACOUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: c368d898-de3f-48ae-a9ed-19590ab6bb59
Reported date: Sep 24, 2017 at 05:49 UTC
Last synced: 16 hours ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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PAYLOAD →
NROL
National Security
NROOPERATOR
ClassifiedORBIT
15TOTAL LAUNCHES
VEHICLE — Atlas V 541 →
MANUFACTURER
United Launch Alliance
VARIANT
541
FLIGHTS
9
SUCCESSES
9
SUCCESS RATE
100%
Atlas V with 5m Fairing, 4 SRB, 1 Centaur upper stage engine.
LAUNCH VIDEOS
ARTICLES & COVERAGE
FREQUENTLY ASKED QUESTIONS
When is the Atlas V 541 | NROL-42 launch?
The Atlas V 541 | NROL-42 is scheduled for Sunday, September 24, 2017 at 5:49 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for NROL-42?
The Atlas V 541 | NROL-42 mission uses the Atlas V 541 rocket, manufactured by United Launch Alliance. The Atlas V 541 has flown 9 times with a 100% success rate.
Where is the Atlas V 541 | NROL-42 launching from?
The launch takes place from Space Launch Complex 3E at Vandenberg SFB, CA, USA.
What orbit is NROL-42 going to?
The NROL-42 mission is targeting Elliptical Orbit.
Who is launching NROL-42?
The Atlas V 541 | NROL-42 is operated by United Launch Alliance.
Can I watch the Atlas V 541 | NROL-42 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 20:33 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:33 UTC
Launch date set: Sep 24, 2017 at 05:49 UTC
NET (No Earlier Than) confirmed by United Launch Alliance
Mar 28, 2026 20:33 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 16 hours ago
●Launch Library 216 hours ago
Launch ID: c368d898-de3f-48ae-a9ed-19590ab6bb59
●Open-Meteo Weather16 hours ago
Pad weather at 34.64, -120.59
●YouTube Video Search16 hours ago
3 videos discovered
