United Launch AllianceDelta IV HeavySpace Launch Complex 6, Vandenberg SFB, CA, USA
NROL-91
Launched
September 24, 2022
Image: United Launch Alliance
Summary
NROL-91 launched on an United Launch Alliance Delta IV Heavy from Space Launch Complex 6, Vandenberg SFB, CA, USA on September 24, 2022. It was United Launch Alliance's 154th launch, 6th this year and humanity's 6,303rd orbital launch attempt. It was the 14th Delta IV Heavy flight and the 1st this year. The payload was bound for low Earth orbit (LEO). One object from this launch is catalogued.
- Watch
- Sept. 24 Live Broadcast: Delta IV Heavy NROL-91United Launch Alliance
- Vehicle
- Delta IV Heavy · United Launch Alliance
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 14th Delta IV Heavy flight · 1st this yearUnited Launch Alliance's 154th launch6th this yearhumanity's 6,303rd orbital launch attempt121st orbital launch attempt this year
Webcast
Flight preview
Simulate in Flight ClubCatalogued objects
1 catalogued: 1 payload; 1 still in orbit
- USA 338 · NORAD 53883 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Classified payload for the US National Reconnaissance Office (NRO).
Pad
Space Launch Complex 6, Vandenberg SFB, CA, USA
14th launch from Space Launch Complex 6, 1st this year · 703rd from Vandenberg SFB, CA, USA
14 launches from this pad · 919 from Vandenberg SFB, CA, USA
516 days after the previous launch from this pad
Updates
Launch success
Show 9 earlier updates
Liftoff of the final Delta IV Heavy from Vandenberg Space Force Base.
Jay · 9/24/2022
New T-0 of 22:25:30 UTC
Jay · 9/24/2022
Weather 70% GO
Jay · 9/24/2022
Webcast live
Jay · 9/24/2022 · source
Updating weather
SwGustav · 9/22/2022 · source
Refined T-0
Cosmic_Penguin · 9/16/2022 · source
Adding launch window
Cosmic_Penguin · 9/9/2022 · source
Adding launch date
Cosmic_Penguin · 8/24/2022 · source
Pushing to Aug 1
JRascagneres · 9/7/2021 · source
Questions
When did NROL-91 launch?
NROL-91 launched on September 24, 2022. The time is known to the hour, not the minute.
Where can I watch NROL-91?
Coverage: Sept. 24 Live Broadcast: Delta IV Heavy NROL-91. Watch the replay
What rocket launched NROL-91?
Delta IV Heavy, flown by United Launch Alliance. Delta IV Heavy spec sheet
Where did NROL-91 launch from?
Space Launch Complex 6, Vandenberg SFB, CA, USA.
What orbit was NROL-91 going to?
Low Earth Orbit (LEO), a government/top secret mission.
How many satellites did NROL-91 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).